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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Depress Anxiety. 2020 Apr 5;37(5):429–437. doi: 10.1002/da.23015

TABLE 3.

The mean and standard deviation of PTSD and depression symptoms across timepoints

Baseline Mean (SD) 1 Month Mean (SD) 3 Months Mean (SD) 6 Months Mean (SD) 12 Months Mean (SD)
Assessment
 PTSD 14.12 (10.91) 18.35 (13.93) 11.64 (10.34) 14.64 (13.73) 12.43 (9.52)
 % Likely PTSD - 52.9% 23.5% 21.4% 21.4%
 Depression 19.00 (11.37) 18.88 (13.89) 13.84 (12.54) 17.21 (17.97) 15.00 (15.26)
1-Session
 PTSD 14.29 (11.36) 17.48 (11.12) 14.14 (9.54) 12.95 (10.72) 11.05 (11.24)
 % Likely PTSD - 34.5% 28.6% 23.8% 20.0%
 Depression 21.11 (13.96) 14.10 (8.23) 15.14 (8.82) 11.29 (9.94) 9.80 (10.19)
3-Session
 PTSD 13.71 (11.55) 16.43 (13.25) 14.95 (12.62) 15.53 (16.34) 12.05 (12.69)
 % Likely PTSD - 34.8% 22.2% 23.5% 20.0%
 Depression 17.40 (10.51) 14.57 (10.82) 14.50 (11.50) 13.94 (14.16) 12.05 (11.62)

Note: Depression was assessed via the Beck Depression Inventory at all timepoints. Posttraumatic Stress Diagnostic Scale was used to assess PTSD symptom severity before the presenting traumatic event in pretreatment assessment. PTSD Symptom Scale was used to assess PTSD in response to the index trauma at all follow-up assessment timepoints.

Abbreviations: PTSD, posttraumatic stress disorder; SD, standard deviation.