Table 2.

Estimated (Least Square) Means (LSM) of PTSD symptom severity, trauma-related guilt severity, and functional impairment at baseline and end-of-treatment (week 24) in post-9/11 combat veterans with and without comorbid complicated grief (CG).

		no CG		CG
Outcome	week	LSM	95% CL	LSM	95% CL	Pair-wise p<.05	SDpooled	d	interaction contrast p
CAPS total scores	0	76.4	[73.0, 79.8]	83.0	[37.2, 47.7]	0.005	14.0	0.47	0.079
	24	42.4	[78.1, 87.9]	57.2	[48.4, 66.0]	0.003	25.8	0.57
TRGI global guilt	0	1.44	[1.17, 1.71]	2.34	[1.94, 2.74]	<.001	1.16	0.78	0.632
	24	0.84	[0.58, 1.10]	1.64	[1.24, 2.04]	<.001	1.07	0.75
TRGI distress	0	2.39	[2.21, 2.57]	2.92	[1.63, 2.05]	<.001	0.80	0.67	0.495
	24	1.84	[2.65, 3.19]	2.24	[1.90, 2.58]	0.025	0.94	0.43
TRGI guilt cog.	0	0.78	[0.61, 0.94]	1.22	[0.98, 1.46]	<.001	0.68	0.65	0.566
	24	0.59	[0.42, 0.76]	0.96	[0.70, 1.22]	0.004	0.70	0.53
IFI total scores	0	40.3	[37.3, 43.4]	45.3	[40.7, 49.9]	0.033	14.3	0.35	0.417
	24	34.9	[31.5, 38.2]	37.5	[32.2, 42.8]	0.324	15.0	0.18

Note: Estimated marginal means were adjusted for treatment type, site, gender, and (for all models except CAPS total scores) CAPS baseline scores in maximum-likelihood mixed models. The effect size d is based on LSM differences divided by the raw pooled standard deviation (SD_pooled). The interaction contrast tests whether the no CG vs. CG group difference observed at baseline significantly differs from that at end of treatment (week 24).