Table 1.

Intent-to-Treat and Therapy Completer Samples: Mean and Standard Deviation PSS Symptom Cluster and Total Scores for Prolonged Exposure and Cognitive-Processing Therapy at Each Assessment Point

	Reexperiencing		Avoidance		Arousal		Total
Assessment	M	SD	M	SD	M	SD	M	SD
Prolonged exposure
1. Intent-to-treat	6.62	3.31	12.35	4.32	10.06	3.44	29.03	9.12
1. Completer	6.35	2.86	12.89	4.47	10.07	3.50	29.32	8.76
2. Intent-to-treat	6.78	3.26	12.31	4.52	9.56	3.34	28.62	9.47
2. Completer	6.91	2.88	12.94	4.29	9.94	3.06	29.76	8.50
3. Intent-to-treat	7.27	4.21	11.33	5.03	9.48	4.16	28.08	11.39
3. Completer	7.70	4.13	11.79	4.91	9.74	4.21	29.23	11.16
4. Intent-to-treat	5.54	3.90	8.71	5.08	7.70	3.74	21.95	11.09
4. Completer	5.47	3.82	8.62	5.09	7.51	3.75	21.60	11.29
5. Intent-to-treat	3.45	3.28	6.06	4.40	5.36	3.70	14.87	9.85
5. Completer	3.42	3.30	6.13	4.41	5.36	3.74	14.92	9.94
Cognitive-processing therapy
1. Intent-to-treat	6.69	3.09	12.73	4.57	10.07	2.77	29.50	8.29
1. Completer	6.63	3.27	12.84	4.67	10.02	2.87	29.48	8.51
2. Intent-to-treat	6.67	3.22	11.46	4.30	9.69	2.93	27.85	8.20
2. Completer	6.54	3.24	11.13	4.28	9.78	3.06	27.47	8.37
3. Intent-to-treat	7.21	3.47	10.83	4.76	9.03	3.40	26.88	9.27
3. Completer	7.13	3.43	10.66	4.75	9.26	3.39	26.85	9.49
4. Intent-to-treat	5.50	3.77	8.37	4.93	7.38	3.35	21.12	10.45
4. Completer	5.46	3.78	8.34	4.98	7.44	3.33	21.11	10.56
5. Intent-to-treat	2.75	2.86	5.53	4.20	5.05	3.62	13.33	9.26
5. Completer	2.76	2.89	5.52	4.24	5.11	3.63	13.39	4.95

Note. PSS = Posttraumatic Stress Disorder Symptom Scale.