Table 6.
Analysis of covariance (ANCOVA) post hoc test for the combined Dexamethasone Suppression Test (DST) definition
| Fisher least significant difference (LSD) test, p value | |||||||||
| Suppressors and reducers (SR) | Other (O) | Non-suppressors and increasers (NSI) | SR vs O | O vs NSI | SR vs NSI | ||||
| Mean | SD | Mean | SD | Mean | SD | ||||
| N1971 | -5.02 | 19.30 | -0.54 | 14.69 | -19.55 | 18.44 | NS | 0.013 | 0.026 |
| End DMS | 3.82 | 3.02 | 4.17 | 2.37 | 7.30 | 2.87 | NS | 0.007 | < 0.001 |
| HDRS depressive index | 11.00 | 2.84 | 9.00 | 2.76 | 9.50 | 2.32 | 0.041 | NS | NS |
DMS, Diagnostic Melancholia Scale; HDRS, Hamilton Depression Rating Scale; NS, not significant.