Table 1 Comparisons of demographic data, clinical data, and performance on neuropsychological tests among groups
Healthy controls | Remitted schizophrenia | Non-remitted schizophrenia | Statistics | |
|---|---|---|---|---|
(n=22) | (n=19) | (n=29) | ||
Sex ratio (M: F) | 9:13 | 8:11 | 13:16 | χ 2=0.084, P=0.959 |
Index age (years) | 31.86±5.36 | 34.89±5.26 | 31.86±12.73 | F(2,138)=0.756, P=0.473 |
Educational level (years) | 11.05±1.73 | 10.47±2.37 | 11.52±2.59 | F(2,138)=1.198, P=0.308 |
Length of illness (years) | 11.68±6.06 | 8.17±9.64 | F(1,47)=1.996, P=0.164 | |
CPZ equivalents (mg) | 326.84±157.13 | 309.48±164.40 | F(1,47)=0.132, P=0.718 | |
PSP total score | 65.37±7.31 | 57.07±17.12 | F(1,47)=3.966, P=0.052 | |
PANSS | ||||
General symptoms | 24.68±3.40 | 31.17±5.56 | F(1,47)=20.693, P<0.001 | |
Positive symptoms | 13.11±2.60 | 16.41±4.24 | F(1,47)=9.251, P=0.004 | |
Negative symptoms | 16.11±2.28 | 18.21±4.21 | F(1,47)=3.949, P=0.053 | |
VFT total score | 16.89±4.85 | 16.41±5.00 | F(1,47)=0.109, P=0.743 | |
DST total score | 11.11±1.91 | 11.55±2.54 | F(1,47)=0.426, P=0.517 | |
IQ | 96.32±11.60 | 97.90±10.35 | F(1,47)=0.243, P=0.624 |