Table 5.

Analysis of covariance (ANCOVA) post hoc test for the reducers/increasers Dexamethasone Suppression Test (DST) definition

							Fisher least significant difference (LSD) test, p value
	Reducers (R)		Single level Inreasers (SI)		Both levels Increasers (BI)		R vs SI	R vs BI	SI vs BI
	Mean	SD	Mean	SD	Mean	SD
No of atypical features	0.94	0.98	1.53	0.74	1.00	1.00	0.037	NS	NS
No of melancholic features	2.25	1.52	2.20	1.61	4.00	1.73	NS	0.046	NS
HDRS	26.38	5.97	23.00	3.93	29.00	3.61	0.047	NS	NS
HDRS Depressive Index	10.84	2.93	8.87	2.33	10.33	2.08	0.026	NS	NS
HDRS Sleep Index	3.41	2.11	3.47	1.46	6.00	0.00	NS	0.025	0.036
Death Thoughts Rating	1.00	0.72	0.40	0.51	1.67	0.58	0.005	0.003	NS
Baseline cortisol	5.16	5.70	4.18	3.23	3.80	2.75
Cortisol day 2, 16:00	1.94	4.29	3.77	3.89	7.17	1.46
Cortisol day 2, 23:00	1.58	2.71	5.16	3.65	7.00	1.66

HDRS, Hamilton Depression Rating Scale; NS, not significant.