Article
Original Article

Nosenoor M. Mahesh* 

*Corresponding author:

Dr Nosenoor M Mahesh, KLE College of Pharmacy, II Block, Rajajinagar, Bengaluru – 560010; Email: mahesh_n_m@yahoo.com

Received date: December 22, 2020; Accepted date: March 3, 2021; Published date: March 31, 2021 

Received Date: 2020-12-22,
Accepted Date: 2021-03-03,
Published Date: 2021-03-31
Year: 2021, Volume: 11, Issue: 2, Page no. 100-105, DOI: 10.26463/rjms.11_2_7
Views: 1318, Downloads: 18
Licensing Information:
CC BY NC 4.0 ICON
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0.
Abstract

Background and Aims: Major depressive patients commonly report psychological and somatic symptoms (SS). Reports suggest that the prevalence, nature, and frequency of reported SS vary depending on the somatization criteria and the way patients are interviewed. We analysed these parameters with or without structured interview in major depressive patients.

Methods: It was a cohort prospective study. Major depressive patients who satisfied the study criteria were randomly assigned equally for qualitative (self-report) and quantitative (structured interview using SS scale-18 items) measurements. Hamilton depression rating scale-17 items was administered to assess the depression severity. A depressive patient who reports at least one SS was counted as somatizing. Collected data were assessed using descriptive statistics and Welch’s t-test (p < 0.05).

Results: Total 510 major depressive patients of both genders aged from 18-60 years were enrolled. Of these, finally 251 (50.1%) patients (mean age: 30.0 ± 18.6 years) and 250 (49.9%) patients (mean age: 34.65 ± 1.6years) were respectively assigned for qualitative and quantitative measurements. Prevalence of somatizing depressive patients was found to be 98.8% in qualitative (248/251) and quantitative (247/250) measurements. The study patients reported 9 and 18 SS to various extents, respectively. Sequentially, parasthetic sensation (60%; 149/248) and headache (72.5%; 179/247) SS were found to be frequently reported. Over 50% of depressive patients commonly reported headache, parasthetic sensation, fatigue, body pain, and heaviness in the head.

Conclusions: Majority of major depressive patients commonly report SS, such as headache, paresthetic sensation, fatigue, body pain, and heaviness in the head among others.

<p><strong>Background and Aims:</strong> Major depressive patients commonly report psychological and somatic symptoms (SS). Reports suggest that the prevalence, nature, and frequency of reported SS vary depending on the somatization criteria and the way patients are interviewed. We analysed these parameters with or without structured interview in major depressive patients.</p> <p><strong>Methods:</strong> It was a cohort prospective study. Major depressive patients who satisfied the study criteria were randomly assigned equally for qualitative (self-report) and quantitative (structured interview using SS scale-18 items) measurements. Hamilton depression rating scale-17 items was administered to assess the depression severity. A depressive patient who reports at least one SS was counted as somatizing. Collected data were assessed using descriptive statistics and Welch&rsquo;s t-test (p &lt; 0.05).</p> <p><strong>Results:</strong> Total 510 major depressive patients of both genders aged from 18-60 years were enrolled. Of these, finally 251 (50.1%) patients (mean age: 30.0 &plusmn; 18.6 years) and 250 (49.9%) patients (mean age: 34.65 &plusmn; 1.6years) were respectively assigned for qualitative and quantitative measurements. Prevalence of somatizing depressive patients was found to be 98.8% in qualitative (248/251) and quantitative (247/250) measurements. The study patients reported 9 and 18 SS to various extents, respectively. Sequentially, parasthetic sensation (60%; 149/248) and headache (72.5%; 179/247) SS were found to be frequently reported. Over 50% of depressive patients commonly reported headache, parasthetic sensation, fatigue, body pain, and heaviness in the head.</p> <p><strong>Conclusions:</strong> Majority of major depressive patients commonly report SS, such as headache, paresthetic sensation, fatigue, body pain, and heaviness in the head among others.</p>
Keywords
Somatic symptoms, Depression disorder, Headache, Paresthetic sensation
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Introduction

The patients with depression disorder commonly express psychological and somatic symptoms (SS) to psychiatrists.1 Somatic Symptoms are called as medically unexplained complaints. SS reflects painful perception and dysfunction of various organs in the body of depressive patients. As a consequence, depressive patients often report different SS to various extents with psychological symptoms. About 75% of depressive patients were found to commonly report SS, such as headache, stomach ache, vague body pain, back pain, chest pain, palpitations, and weakness in the world.2

Few clinical studies have reported that major depressive patients report more SS at clinical centres that offer walk-in care as compared to the centres, which offer personal form of primary care. In addition, the extent of reporting of SS depends on somatization criteria used for study patients.3 Many clinical studies have reported that major depressive patients report SS widely when structured interviews are used.4,5 These results indicate that the prevalence, nature, and frequency of report of SS by depressive patients depend on the type of clinical care centre, somatization criteria, and the way depressive patients are interviewed.

A review of multi-centric studies carried out in India mentioned that the depressive patients report many SS, such as lack of energy, severe headache, feeling tired when not working, pain in legs, palpitations, head feeling heavy, aches and pain all over the body, mouth or throat getting dry, pain or tension in neck and shoulder, head feeling hot, or burning and dark or mist in front of the eyes (range: 49%-76%) along with psychological symptoms.6 In view of these reports, the present study was designed to analyze the prevalence, nature, and frequency SS reported by major depressive patients in absence and presence of structured interview in south western Indian patient population.

Methods

Study design and site

It was an open label, cohort, and prospective study. This study was conducted in a tertiary care multi-specialty teaching hospital located in Mysore, India. The patients who visited this hospital were from urban, peri-urban, and village areas of Mysore. Those patients who visited out-patient wards of psychiatry department as new registrants were enrolled into the study over a period of 2 years.

Study criteria

All out-patients who were of either sex, newly diagnosed as suffering from major depressive disorder as per Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, Text revision (DSM-IV-TR) and aged between 18-60 years were enrolled. The patients who were suffering from other psychiatric disorders or painful diseases, such as arthritis, or depression due to drug/chronic medical illness, uncooperative, history of substance abuse or alcoholic dependence, and pregnant/ lactating/in puerperal stage were excluded from the study.

Study Instruments

Hamilton Depression Rating Scale: The 17-item Hamilton Depression Rating Scale (HAM-D 17 items) was used to assess the severity of depression. Items in this scale are rated from 0-4 or from 0-2 according to the intensity and frequency of symptoms existing over the past week. The total score range was from 0-52. Scores of 0-7 indicates no depression, 8-13 as mild depression, 14- 18 as moderate depression, 19-22 as severe depression, and 23-52 very severe depression.7

Somatic Questionnaire Scale: The somatic questionnaire scale is a self-rated instrument containing 92 items, which are grouped under 4-symptom subscale (anxiety, depression, anger/hostility, and SS) and 4 wellbeing subscales. Our study focused on the SS’s subscale containing 18 SS to document various SS reported by depressive patients.8

Data collection form: It was prepared to document demography and clinical data of the patients who were enrolled into the study.

Ethical consideration: Ethical approval to conduct the study was obtained from the Institutional Ethics Committee. Written consent was obtained after explaining the study protocol from each patient or patient’s relatives before enrolling the study patients to participate in the study.

Procedure: The patients, who satisfied the study criteria after the diagnosis as suffering from major depressive disorder as per DSM-IV-TR criteria, were enrolled into the study. Demographic and clinical data were documented. Further, the patients were equally assigned to qualitative and quantitative measurements. To measure SS qualitatively, each patient was empathetically interviewed in person with open-ended questions. For quantitative measurement of SS, each patient was administered somatic questionnaire-18 somatic symptoms (SQ-SS-18) scale. Major depressive patient was considered as somatizing if he/she reports at least one or more SS irrespective of measurement type. All the patients were subsequently administered HAM-D-17 scale to assess their depression severity.

Data analysis: Descriptive statistics (prevalence, range, and median) was used to analyze all the collected data. Welch’s t-test was used to find out the significant difference in the mean of extent of report of most common SS between qualitative and quantitative measurements at the significance level p < 0.05. Excel with application “Analysis Toolpak” was used for all statistical analysis.

Results

The patients who were diagnosed as suffering from major depressive disorder were enrolled in to the study. Total of 510 patients were recruited. These patients were further equally allocated for qualitative and quantitative measurements. As a consequence, 255 patients were there for each measurement. Few patients were dropped out from the study during the measurements. Four (4) patients were found dropped out (1.57%; 4/255) in qualitative measurement while 5 patients were dropped out (2.00%; 5/255) in quantitative measurement (total patients dropout rate: 3.57%). The reason for such drop out was due to inability of the patients to express the SS clearly.

Demography of the study patients indicate the mean age of 30.0 ± 18.6 years in qualitative and 34.65 ± 1.6 years in quantitative measurements. The number of patients with very severe form of depression disorder were more in both the measurements (qualitative: 48.6% [122/251]); quantitative: 45.2% [113/250]) when compared to the number of patients who were suffering from severe, moderate, and mild form of depression (Table 1).

The prevalence of somatizing patients who were diagnosed as suffering from major depression disorder was found to be 98.81% (248/251) and 98.8% (247/250) in qualitative and quantitative measurements, respectively. These data indicate that the prevalence of somatizing major depressive patients is equally high in both qualitative and quantitative measurements.

Frequency and nature of somatic symptoms in major depressive patients

Qualitative Measurement

Total 9 different types of SS were self-reported by major depressive patients. SS that were self-reported to various extent by major depressive patients are as follows: paresthetic sensation, fatigue, body pain, headache, heaviness in the head, palpitation, chest pain, back pain, and pain in the abdomen [range: 14.92%-60%]. Of these SS, paresthetic sensation was found to be reported frequently (60% [149/248]), while back pain and pain in the abdomen were equally reported to the lower extent (14.9% [37/248]). Median of the frequency distribution of SS indicates that less than 47% of major depressive patients report four SS, such as palpitation, chest pain, back pain, and pain abdomen, whereas more than 47% of the patients report five SS, such as heaviness in the head, headache, body pain, fatigue, and paresthetic sensations (Figure 1). 

Quantitative Measurement

Total of 18 different types of SS were reported by major depressive patients. SS that were reported to various extent by major depressive patients are as follows: headache, weak arms or legs, feeling of pressure in the head or body, heart beating fast or pounding, parts of the body feeling numb or tingling, muscle pain, poor appetite, heavy arms or legs, tight head or neck, crams, pressure on head, nausea, sick to stomach, breathing difficult, feeling of not enough air, upset bowels or stomach, head pain, and choking feeling (range: 20.2%- 72.7%). Of these SS, headache was found to be reported frequently (72.5%; 179/247) while head pain and choking feeling were equally reported to the lower extent (20.2%; 50/247). Median of the frequency distribution of SS indicates that less than 46% of major depressive patients report nine SS, such as crams, pressure on the head, nausea, sick to stomach, breathing difficulty, feeling of not enough air, upset bowels or stomach, head pain and chocking feeling, whereas more than 46% of the patients report nine SS, such as headache, weak arms or legs, feeling of pressure in the head or body, heart beating fast or pounding, parts of the body feeling numb or tingling, muscle pain, poor appetite, heavy arms or legs, and tight head or neck (Figure 2).

We found that there are five SS that were commonly reported by most of the major depressive patients in both qualitative and quantitative measurements above the median frequency level. They are mentioned here with respect to qualitative (quantitative) measurement as follows: paresthetic sensation (60.1%) (Parts of the body feeling numb or tingling [59%]), fatigue (54%) (weak arms or legs [65%]), body pain (54%) (muscle pain [53%]), headache (48%) (headache [72.5%]), and heaviness in the head (47%) (feeling of pressure in the head or body [62.8%]). The frequency of report of common SS was found to be significantly more in quantitative measurement than qualitative measurement (p < 0.05; 0.044). Three more SS, such as poor appetite (53%), heavy arms or legs (50.3%), and tight head or neck (47.5%) were found to be reported frequently only during the quantitative measurement, but not in the qualitative measurement. These data suggests that five SS, such as paresthetic sensation (parts of the body feeling numb or tingling), fatigue (weak arms or legs), body pain (muscle pain), headache (headache), and heaviness in the head (feeling of pressure in the head or body) are the most commonly reported SS by major depressive patients irrespective of measurement tool in our study (Figure 3).

Discussion

The purpose of this study was to assess the prevalence, nature, and frequency of reported SS with or without structured interview among major depressive patients. Total 510 patients who were suffering from major depressive disorder were enrolled in the study. These patients were equally allocated for qualitative and quantitative measurements to assess the SS. Mean age of these patients was 30.0 ± 18.6 and 34.65 ± 1.6 years, respectively. Gender distribution was equal in both the assessments. Nearly 50% of the enrolled patients were with very severe form of major depression disorder in both the measurements. These data show that the number of adult depressive patients who were suffering from very severe form of major depression disorder was substantially more in this study.

Prevalence of somatizing major depressive patients

Our study results showed that the majority of major depressive out-patients reported SS when they were assessed with (98.8%) and without (98.81%) SSstructured questionnaire. It could be due to the presence of substantial number of major depressive patients who were suffering from very severe form of major depression in this study. A review on SS and their treatment mentions that the presence of painful symptoms (back pain, musculoskeletal pain, and chest pain) indicates the occurrence of more severity of depression disorder.2 This fact perhaps influenced high prevalence of somatizing depressive patients. However, further studies are required to relate SS with the severity of depression in major depressive patients.

Another factor that may be responsible for high prevalence of somatizing depressive patients in our study was the use of somatization criteria. Accordingly, the study patients who have reported at least one SS were considered. In support to this fact, the prevalence of somatizing depressive patients was found to be less (87%) in an international study that assessed the relationship between SS and depression in Indian depressive patient population. In this study, depressive patient was considered as somatizing, provided that he/she reports at least three SS. These results clearly indicate that the prevalence of somatizing depressive patients is dependent on the somatization criteria used.3

Frequency and nature of SS reported by major depressive patients:

The number and nature of the SS reported by major depressive patients varied between qualitative and quantitative measurements in this study. Nine different types of SS, such as paresthetic sensation, fatigue, body pain, headache, heaviness in the head, palpitation, chest pain, back pain, and pain in abdomen were found reported at various frequencies (range: 14.92%-60%]. Of these SS, paresthetic sensation was reported by majority of the patients in qualitative group (60%) (Figure 1). In quantitative measurement, 18 different types of SS, such as headache, weak arms or legs, feeling pressure in the head or body, heart beating fast or pounding, parts of the body feeling numb or tingling, muscle pain, poor appetite, heavy arms or legs, tight head or neck, crams, pressure on the head, nausea, sick to stomach, breathing difficult, feeling of not enough air, upset bowels or stomach, head pain, and choking feeling were reported at various frequencies (range: 20.2%-72.7%). Of these, headache was reported by most of the study patients (72.5%) (Figure 2). These results reveal that the major depressive patients tend to report more (twice) number of SS with structured questionnaire than without the questionnaire. Previous clinical studies have also found that the SS are widely reported when structured somatic questionnaire are used.5,9 In spite of headache and paresthetic sensation being reported frequently SS in quantitative and qualitative measurements, nature of all the SS reported by the study patients was similar to that of other clinical studies involving the depressive patients.10,11

Comparison of SS commonly reported by major depressive patients in qualitative and quantitative

measurements:

Five SS were found reported by substantial number (over 50%) of the major depressive patients commonly during both qualitative and quantitative measurements among other SS. Five SS commonly reported are paresthetic sensation, fatigue, body pain, headache, and heaviness in the head. The frequency of report of such SS was significantly more (p < 0.05; 0.044) in quantitative measurement when compared to the frequency value in the qualitative measurement (Figure 3). The reason for such difference is mentioned elsewhere. These data suggest that the above SS are the chief complaints of major depressive patients as reported similarly in previous clinical studies.2,3,12

Conclusion

Majority of major depressive patients report different types of SS. The number and nature of such symptoms was found to be more with structured interview. Commonly reported SS are headache, paresthetic sensation, heaviness in the head, fatigue, and body pain.

Conflict of Interests

None.

Supporting Files
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