Figure 1.

The receiver operating characteristic (ROC) curve of the depression rating scales and the Diagnostic and Statistical Manual of Mental Disorders: Fourth Edition; Text Revision¹² (DSM-IV-TR) for major depressive episode diagnosis.

Notes: The ROC curves of the CDSS-T, MADRS, HDRS-17, and PANSS-G6 against the DSM-IV-TR criteria for major a depressive episode were 0.993, 0.954, 0.966, and 0.933, respectively.

Abbreviations: CDSS-T, Thai version of the Calgary Depression Scale for Schizophrenia; HDRS-17, Hamilton Depression Rating Scale-17 item version; MADRS, the Montgomery-Åsberg Depression Rating Scale; PANSS-G6, depression item of the Positive and Negative Syndrome Scale.