Table 4.

Diagnostic group mean differences on the DTS total score and subscale scores

Scales	No diagnosis	Non- PTSD diagnosis	PTSD	ANOVA
N	86	32	39
Total score
M	14.7	37.6	79.6	F(2,154) = 81.3, p < 0.001
S.D.	21.6	30.6	31.8
Range	0–109	0–96	0–128
Reexperiencing
M	1.0a	1.8a	4.4	F(2,155) = 58.7, p < 0.001
S.D.	1.5	1.6	1.9
Avoidance/numbing
M	0.8	2.0	4.5	F(2,155) = 63.0, p < 0.001
S.D.	1.4	2.0	2.1
Hyperarousal
M	1.0	2.9	5.4	F(2,155) = 68.5, p < 0.001
S.D.	1.6	2.5	2.1
Avoidance
M	0.9b	2.0b	4.7	F(2,155) = 49.9, p < 0.001
S.D.	1.7	2.3	2.4
Numbing
M	0.7	2.1	4.2	F(2,155) = 52.3, p < 0.001
S.D.	1.4	2.1	2.2

Notes.Subscale means represent an average across items on that scale. Except where otherwise noted, means are significantly different using Bonferroni correction at p < 0.01.

^ap < 0.10.

^bp < 0.05.