Table 2.

Means and Standard Deviations of Outcomes at Three Time Points for PTSD Groups

	Immediate Treatment						Waitlist (Delayed Treatment)
	Time 1:		Time 2:		Time 3:		Time 1:		Time 2:		Time 3:
	Baseline		1-month		6-month		Baseline		8-week		1-month
			Post-Treatment		Follow-up				Follow-up		Post-Treatment
	n = 47		n = 23		n = 20		n = 33		n = 27		n = 11
	M	SD	M	SD	M	SD	M	SD	M	SD	M	SD
Respiration measures:
End-tidal pCO2 (mmHg)	38.53	3.45	37.10	6.22	39.33	5.14	38.27	4.72	37.26	4.75	35.81	4.11
Respiration rate (breaths per min)	16.22	4.11	10.21	4.06	10.42	4.55	16.24	3.91	16.56	4.28	11.75	3.30
CAPS total	70.17	22.89	59.65	26.80	57.70	30.63	69.24	26.51	62.70	24.25	50.82	26.90
CAPS hyperarousal	24.19	6.80	20.70	7.92	20.20	9.53	24.85	6.79	20.70	8.60	18.45	7.93
Beck Depression Inventory	20.14	11.04	19.50	14.13	16.58	12.64	20.0	11.50	17.0	11.98	18.27	12.83
Aggression Questionnaire	80.82	22.86	72.25	21.55	70.53	21.43	78.72	21.17	73.81	20.35	73.82	26.22
Sleep measuresa:
Sleep quality	10.77	3.71	10.00	3.98	9.83	4.24	12.41	4.28	12.32	4.00	10.80	4.73
PTSD-specific sleep quality	7.65	4.66	6.31	5.61	7.05	5.17	7.77	5.69	5.00	4.42	6.00	5.27
Self-reported sleep onset latencyb (mins)	39.01	40.32	25.31	25.94	23.88	17.76	40.64	31.15	39.60	22.50	32.73	23.49
Self-reported total sleep timeb (hours)	5.75	1.66	5.50	1.33	5.56	1.66	5.17	1.62	5.36	1.70	5.80	1.84

Note: pCO₂ = partial pressure of carbon dioxide; mmHg = millimeters of mercury; CAPS = Clinician-Administered PTSD Scale.

^aThree Immediate treatment and one Waitlist subject were excluded from sleep analyses due to reported untreated sleep apnea.

^bDerived from Pittsburgh Sleep Quality Index.