Table 2.
Correlations between depression rating scales and the Positive and Negative Syndrome Scale (PANSS) (Pearson product-moment correlation)
| CDSS-T | MADRS | HDRS-17 | PANSS-G6 | PANSS-P | PANSS-N | PANSS-GP | PANSS-T | |
|---|---|---|---|---|---|---|---|---|
| CDSS-T | 1.00 | |||||||
| MADRS | 0.887* | 1.00 | ||||||
| HDRS-17 | 0.865* | 0.901* | 1.00 | |||||
| PANSS-G6 | 0.833* | 0.831* | 0.847* | 1.00 | ||||
| PANSS-P | 0.670* | 0.657* | 0.669* | 0.670* | 1.00 | |||
| PANSS-N | 0.621* | 0.698* | 0.658* | 0.635* | 0.559* | 1.00 | ||
| PANSS-GP | 0.709* | 0.756* | 0.803* | 0.835* | 0.732* | 0.777* | 1.00 | |
| PANSS-T | 0.748* | 0.791* | 0.810* | 0.812* | 0.845* | 0.865* | 0.956* | 1.00 |
Note:*Correlation is significant at the 0.01 level (two-tailed).
Abbreviations: CDSS-T, Thai version of the Calgary Depression Scale for Schizophrenia; HDRS-17, Hamilton Depression Rating Scale - 17 item version; MADRS, Montgomery-Åsberg Depression Rating Scale; PANSS-G6, depression item of the Positive and Negative Syndrome Scale; PANSS-P, Positive and Negative Syndrome Scale positive subscale; PANSS-N, Positive and Negative Syndrome Scale negative subscale; PANSS-GP, Positive and Negative Syndrome Scale general psychopathology subscale; PANSS-T, Positive and Negative Syndrome Scale total score.