Atypical depression is more common than melancholic in fibromyalgia: an observational cohort study

Table 4 Prevalence rates of atypical depressive episode-specific diagnostic criteria by diagnostic group

ADE CRITERIA	No MDD	ADE	MDE	?²	ADE v. MDE (n = 67)
	(A: n = 9)	(B: n = 40)	(C: n = 27)	P value	OR	P Value
Mood reactivity	4/9	*40/40*	20/27	TS < 0.001	1.0
	44.4%	*100%*	74.1%	a-b < 0.001	(Perfect Predictability)
				a-c 0.13
				b-c 0.001
Significant weight gain or	0/9	*27/40*	10/27	TS < 0.001	3.53	0.02
increased appetite	0%	*67.5%*	37%	a-b < 0.001
				a-c 0.04
				b-c 0.02
Hypersomnia	0/9	*14/40*	5/27	TS 0.06	2.37	0.15
	0%	*35%*	18.5%	a-b 0.05
				a-c 0.30
				b-c 0.18
Leaden paralysis (i.e., heavy,	4/9	*40/40*	26/27	TS < 0.001	1.0
leaden feelings in arms or legs)	44.4%	*100%*	96.3%	a-b < 0.001	(Perfect Predictability)
				a-c 0.002
				b-c 0.40
Long-standing pattern of	0/9	*27/38*	13/27	TS < 0.001	2.64	0.06
interpersonal rejection sensitivity	0%	*71.1%*	48.1%	a-b < 0.001
				a-c 0.01
				b-c 0.07
Criteria not met for MDE during	9/9	*40/40*	0/27	TS < 0.001	0.007	0.007
the same episode	100%	*100%*	0%	a-b 1.00
				a-c < 0.001
				b-c < 0.001

Abbreviations: TS, Total Sample; CI, Confidence Interval; OR, odds ratio. Italicized cells reflect highest prevalence rates among the 3 diagnostic groups.

ISSN: 1471-2474