Table 1.
Demographics of study participants
| Variable | Controls (N=26) |
Patients (N=29) |
t | p |
|---|---|---|---|---|
| Age (years) | 41.9±10.9 | 36.5±11.0 | −1.81 | 0.08 |
| Education (years) |
15.2±2.8 | 12.4±2.0 | −4.36 | 0.000006 |
| PANSS totala | - | 76.5±16.6 | - | - |
| PANSS positivea | - | 18.4±6.2 | - | - |
| PANSS negativea | - | 20.2±6.2 | - | - |
| Illness duration (years)b |
- | 13.0±7.2 | - | - |
| CPZ equivalents (mg) |
- | 1118.8±611.2 | - | - |
| χ2 |
p | |||
| Gender | 19/7 | 26/3 | 2.53 | 0.16c |
Note: PANSS=Positive and Negative Syndrome Scale, CPZ=chlorpromazine.
a
Missing for 1 subject.
b
Defined as age at first psychiatric hospitalization, missing for 4 subjects.
c
by Fisher’s exact test.