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Table 1 Results of stepwise regression 1.

From: Is there a linear relationship between the Brief Psychiatric Rating Scale and the Clinical Global Impression-Schizophrenia scale? A retrospective analysis

Variable Unstandardized β Standard Error Standardized β t p-Value 95% Confidence Interval
Somatic concern -0.253525** 0.078032 -0.171 -3.249 0.001 -0.407828 - -0.099222
Anxiety 0.413167 0.082008 0.411 5.038 0.000 0.251002 - 0.575332
Emotional withdrawal -0.351087** 0.106518 -0.324 -3.296 0.001 -0.561719 - -0.140454
Conceptual disorganization 0.358483 0.069136 0.353 5.185 0.000 0.221771 - 0.495195
Grandiosity -0.189250* 0.088471 -0.099 -2.139 0.034 -0.364195 - -0.014304
Hostility 0.166995 0.104009 0.140 1.606 0.111 -0.038676 - 0.372666
Suspiciousness -0.152787 0.091570 -0.164 -1.669 0.097 -0.333861 - 0.028287
Hallucinations 0.162475** 0.057716 0.204 2.815 0.006 0.048346 - 0.276605
Motor retardation 0.258352** 0.090433 0.190 2.857 0.005 0.079527 - 0.437178
Uncooperativeness 0.262802* 0.109879 0.239 2.392 0.018 0.045524 - 0.480081
Unusual thought content 0.147787* 0.073080 0.162 2.022 0.045 0.003277 - 0.292296
Blunted affect 0.139060 0.079696 0.095 1.745 0.083 -0.018534 - 0.296652
Constant 1.138607 0.256029   4.447 0.000 0.632328 - 1.644886
  1. *p < 0.05, **p < 0.01, p < 0.001
  2. Results of backward stepwise regression using the full set of variables of the BPRS. Eight items of the BPRS as independent variables were positively associated with the CGI-SCH score as a dependent variable, and four items were inversely associated with the CGI-SCH score. F-value < 2.000 as a criterion for removal (p < 0.001). R-squared was 0.7524 (p value of analysis of variance was less than 0.001), unstandardized β, standardized β, and the p value are shown.
  3. Data for schizophrenic patients (n = 150)