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Table 6 Correlation between Malay version of the Brief Psychiatric Rating Scale (BPRS-M) factor scores and age, psychiatric history variables, BPRS, PANSS, CDSS and WHOQOL-BREF score

From: Cultural adaptation and validity of the Malay version of the brief psychiatric rating scale (BPRS-M) among patients with schizophrenia in a psychiatric clinic

  BPRS-M Factor scores
  Positive Symptoms c Mood disturbancec Negative Symptoms c Activation c Resistance d Somatic d Orientation b Total c
Age r = −0.11 r = −0.09 r = 0.02 r = 0.07 r = 0.02 r = −0.17 r = 0.21 r = −0.12
Duration of illness r = 0.04 r = −0.07 r = 0.14 r = 0.12 r = 0.09 r = 0.16 r = 0.03 r = 0.03
Number of hospital admission r = 0.10 r = 0.03 r = −0.05 r = −0.08 r = 0.05 r = −0.03 r = 0.14 r = 0.06
Number of antipsychotics r = 0.24* r = 0.11 r = −0.03 r = −0.10 r = 0.26** r = −0.01 r = −0.08 r = 0.18
Total BPRS English         r = 0.95**
PANSS         
 Positive r = 1.00** r = 0.24* r = 0.39** r = 0.32** r = 0.25* r = 0.14 r = 0.14 r = 0.83**
 Negative r = 0.58** r = 0.11 r = 0.77** r = 0.71** r = 0.26** r = 0.11 r = 0.08 r = 0.64**
 General r = 0.61** r = 0.47** r = 0.60** r = 0.54** r = 0.35** r = 0.24* r = 0.05 r = 0.80**
 Total r = 0.76** r = 0.36** r = 0.68** r = 0.61** r = 0.35** r = 0.22* r = 0.05 r = 0.86**
CDSS r = 0.16 r = 0.72** r = 0.07 r = 0.08 r = 0.16 r = 0.01 r = 0.04 r = 0.39**
WHOQOL-BREF         
 Physical r = −0.33** r = −0.17 r = −0.30** r = −0.26** r = −0.23* r = 0.11 r = −0.13 r = −0.37**
  Psychological r = −0.35** r = −0.28** r = −0.35** r = −0.26** r = −0.19 r = −0.13 r = −0.09 r = −0.46**
 Social r = −0.37** r = −0.03 r = −0.58** r = −0.50** r = −0.11 r = −0.10 r = −0.02 r = −0.45**
 Environment r = −0.44** r = −0.07 r = −0.47** r = −0.39** r = −0.12 r = −0.12 −0.05 r = − 0.47**
 Overall r = −0.27** r = −0.11 r = −0.13 r = −0.14 r = −0.10 r = −0.10 0.02 r = −0.24*
  1. BPRS-M Malay version of the Brief Psychiatric Rating Scale, PANSS Positive and Negative Syndrome Scale, CDSS Calgary Depression Scale for Schizophrenia, WHOQOL-BREF World Health Organization Quality of Life – Brief Version
  2. Significant when p < 0.05*, p < 0.01**
  3. cPearson’s correlation coefficient
  4. dSpearman’s correlation coefficient