Table 3.
Multiple regression analysis of mean d′ score.
| Multiple regression analysis | ||||||
|---|---|---|---|---|---|---|
|
| ||||||
| Forward-backward stepwise selection | ||||||
|
| ||||||
| Clinical factors | Patients (n = 126) | |||||
| Setting: P in = 0.05, P out = 0.1 | ||||||
| PRCa | S-PRCb | VIFc | 95% CId | P value | ||
| Lower | Upper | |||||
| Age (y) | −0.031 | −0.45 | 1.04 | −0.041 | −0.020 | <0.001 |
| CPZ-equivalent dose (mg/day) | −0.00038 | −0.21 | 1.01 | −0.001 | <0 | 0.012 |
| PANSS-negative symptom score (7–49) | −0.026 | −0.16 | 1.04 | −0.052 | <0 | 0.017 |
| Intercept | 3.54 | — | — | 2.89 | 4.19 | <0.001 |
|
| ||||||
| 0.28 | ||||||
| ANOVA P value | <0.001 | |||||
| Durbin-Watson ratio | 1.93 | |||||
apartial regression coefficient
bstandardized partial regression coefficient
cvariance inflation factor
dconfidence interval
emultiple correlation coefficient adjusted for the degrees of freedom.