Table 2. Correlation coefficient between clinical HDRS factors.
| Variables | HDRS-T vs. | ||||
|---|---|---|---|---|---|
| HDRS-A | HDRS-B | HDRS-C | HDRS-R | HDRS-S | |
| r | 0.40 | 0.52 | 0.71 | 0.68 | 0.25 |
| R squared | 0.16 | 0.27 | 0.51 | 0.46 | 0.06 |
| P value | 0.22 | 0.11 | 0.01* | 0.02* | 0.45 |
Pearson correlation (two-tailed, alpha=0.05). *, correlation coefficient with significant statistic difference. HDRS, Hamilton depression rating scale; Z (HDRS-T), HAM-D total score; Z (HDRS-A), HAM-D anxiety/somatization factor score; Z (HDRS-B), HAM-D body weight factor score; Z (HDRS-C), HAM-D cognitive disturbances factor score; Z (HDRS-R), HAM-D psychomotor retardation factor score; Z (HDRS-S), HAM-D sleep disturbances factor score.