A Chinese Herbal Formula to Improve General Psychological Status in Posttraumatic Stress Disorder: A Randomized Placebo-Controlled Trial on Sichuan Earthquake Survivors
Table 3
SCL-90-R Factor scores, Chinese and American norms compared to earthquake-affected PTSD patients at baseline.
Sample
Norm, China⋆
Norm, USA●
PTSD, Sichuan
SCL-90-R
N = 1388
N = 974
N = 245
Mean (95% CI)
Mean (95% CI)
Mean (95% CI)
Somatization
0.37 (0.34–0.40)
0.36 (0.33–0.39)
1.20 (1.11–1.29)*
Obsessive-compulsive behavior
0.62 (0.59–0.65)
0.39 (0.36–0.42)
1.38 (1.29–1.47)*
Interpersonal sensitivity
0.65 (0.62–0.68)
0.29 (0.27–0.31)
0.93 (0.84–1.02)*
Depression
0.50 (0.47–0.53)
0.36 (0.33–0.39)
1.29 (1.18–1.39)*
Anxiety
0.39 (0.37–0.41)
0.30 (0.28–0.32)
1.25 (1.15–1.34)*
Hostility
0.46 (0.43–0.49)
0.30 (0.27–0.33)
1.12 (1.02–1.23)*
Phobic anxiety
0.23 (0.21–0.25)
0.13 (0.11–0.15)
0.93 (0.83–1.03)*
Paranoid ideation
0.43 (0.40–0.46)
0.34 (0.31–0.37)
0.74 (0.65–0.83)*
Psychoticism
0.29 (0.27–0.31)
0.14 (0.12–0.16)
0.77 (0.69–0.85)*
Global severity index
0.31 (0.29–0.33)
1.13 (1.05–1.20)∆
Positive symptom total index
24.9 (24.0–25.9)
19.3 (18.3–20.3)
48.6 (46.2–51.1)*
Positive symptom distress index
1.32 (1.29–1.35)
2.07 (1.97–2.17)∆
⋆The original data was obtained from Jin et al. [42]. We recalculated the original data from “mean (sd)” to “mean (95% CI)” in order to make these data comparable. ●The original data was obtained from Derogatis [41]. We recalculated the original data from “mean (sd)” to “mean (95% CI)” in order to make these data comparable.*Compared to the Chinese and American norms, P < 0.05. ∆Compared to the American norms, P < 0.05.
