Table 6.

The differences in depression between healthy individuals and each patient group

Group	N	Mean	SD	P	Δ
Cardiovascular diseases	27	1.555	2.819	0.152	0.28
Autoimmune diseases	37	1.351	2.323	0.281	0.18
Endocrine disorders	22	1.409	2.938	0.335	0.21
Respiratory diseases	29	1.069	2.051	0.829	0.04
Other diseases	30	1.766	2.500	0.101	0.39
More than one disease	18	0.944	1.258	0.928	0.02