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Table 2 Proportional Hazards Model of Predictor Variables

From: Predictors of switching antipsychotic medications in the treatment of schizophrenia

Variable

Cox proportional

hazards model

parameter

p value

Hazard ratio

(95% confidence

interval)

Female

+0.3192

0.0335

1.376 (1.025-1.847)

Any antipsychotic in the previous year

-0.4836

0.0262

0.617 (0.403-0.944)

Substance abuse diagnosis

-0.3133

0.0457

0.731 (0.538-0.994)

Pre-existing depression condition

+0.3948

0.0344

1.484 (1.029-2.139)

PANSS Davis anxiety/depression, change from baseline to 2 weeks

+0.0498

(per 1-point increase)

0.0320

1.051 (1.004-1.100)

(per 1-point increase)

Barnes akathisia objective score, change from baseline to 2 weeks

+0.2962

(per 1-point increase)

0.0398

1.345 (1.014-1.783)

(per 1-point increase)

  1. Abbreviations: PANSS, positive and negative syndrome scale.