Mean score  ±  SD df P value
Abstinent (n=64) Relapsed (n=41)
  WHOQOL-BREF scores    
Physical 68.47  ±  16.39 53.83  ±  16.37 103 <0.001**
Psychological 57.49  ±  17.94 41.26  ±  16.02 103 <0.001**
Social 65.89  ±  16.04 48.17  ±  19.23 103 <0.001**
Environmental 61.23  ±  13.36 49.24  ±  17.08 103 <0.001**
Global 60.55  ±  17.57 47.26  ±  21.01 103 0.001**
  SCL-90 scores    
GSI 1.52 ± 0.47 1.96 ± 0.74 103 0.001**
PST 29.59 ± 19.45 43.10 ± 24.22 103 0.002**
PSDI 2.39 ± 0.53 2.85 ± 0.68 103 <0.001**
So 1.34 ± 0.52 1.80 ± 0.86 103 0.003**
Oc 1.79 ± 0.66 2.22 ± 0.97 103 0.003**
Is 1.62 ± 0.52 1.96 ± 0.82 103 0.022*
De 1.59 ± 0.58 2.22 ± 0.97 103 <0.001**
An 1.39 ± 0.51 1.82 ± 0.82 103 0.004**
Ho 1.70 ± 0.76 2.26 ± 1.01 103 0.003**
Pa 1.23 ± 0.36 1.44 ± 0.55 103 0.042*
Pi 1.53 ± 0.58 1.96 ± 0.99 103 0.015*
Ps 1.42 ± 0.43 1.79 ± 0.78 103 0.006**
Ad 1.67 ± 0.70 2.02 ± 0.81 103 0.018*
**P<0.01;*P<0.05;GSI: Global Severity Index; PST: Positive Syndrome Total; PSDI: Positive Symptom Distress Index. Subscores on 10 dimensions: So: Somatization; Oc: Obsessive Compulsive; Is: Interpersonal Sensitivity; De: Depression; An: Anxiety; Ho: Hostility; Pa: Phobia Anxiety; Pi: Paranoid Ideation; Ps: Psychoticism; Ad: Additional items.
Table 3: QoL and SCL-90scores of surgical participants by abstinent
status.