Psychosocial Functioning in Depressive Patients: A Comparative Study between Major Depressive Disorder and Bipolar Affective Disorder

Table 2

Comparison of clinical variables in MDD and BAD patients.

Variable	Mean ± S.D.		𝑡/𝜒^2 value (df)	P value
	MDD (𝑛=48)	BAD (𝑛=48)
Age of onset of illness (years)	27±5.7	24.4±5.3	𝑡 = 2.27 (94)	0.026*
Total duration of Illness (months)	15.3±12.6	36.5±24.3	𝑡 = −5.37 (70.4)	0.000**
Total no. of episodes	1.6±0.8	3.2±1.2	𝑡 = −7.74 (80.3)	0.000**
No. of episodes of depression	1.6±0.8	1.4±0.7	𝑡 = 1.01 (94)	0.317
Duration of current depressive Episode (months)	3.85±1.3	3.94±0.9	𝑡 = −0.38 (83.2)	0.705
HDRS-17 score	17.2±2.3	17.8±2.7	𝑡 = −1.32 (94)	0.191
Family history
Present	8	7	𝜒^2 = 0.08 (1)	0.779
Absent	40	41

HDRS: Hamilton Depression Rating Scale-17 item; 𝜒²: chi-square value; df: degree of freedom; *𝑃<0.05; **𝑃<0.01; ^†𝑃 value derived from Fisher’s exact test.