Table 3 Sensitivity, specificity, PPV, and NPV for recommended cut-off ≥ 5 when GDS was compared to depression assessment based on DSM-V criteria and MADRS score (N = 387)
Group | Major depression (n = 42) vs. Minor + No depression (n = 345) | Major + Minor depression (n = 80) vs. No depression (n = 307) | ||||||
|---|---|---|---|---|---|---|---|---|
Sensitivity % | Specificity % | PPV % | NPV % | Sensitivity % | Specificity % | PPV % | NPV % | |
All | 95.2 | 65.8 | 25.3 | 99.1 | 75.0 | 68.1 | 38.0 | 91.3 |
Sex | ||||||||
Male | 92.3 | 72.1 | 26.1 | 98.9 | 71.4 | 72.8 | 32.6 | 93.3 |
Female | 96.6 | 62.3 | 25.5 | 99.3 | 76.3 | 65.3 | 40.2 | 90.0 |
Age group | ||||||||
85 | 87.5 | 68.6 | 18.0 | 98.6 | 62.5 | 69.2 | 26.6 | 91.6 |
90 | 100.0 | 67.0 | 29.1 | 100.0 | 89.7 | 72.4 | 47.3 | 96.2 |
≥ 95 | 94.4 | 62.4 | 26.6 | 98.7 | 68.6 | 63.0 | 37.5 | 86.1 |
MMSE | ||||||||
10 – 17 | 100.0 | 54.8 | 34.9 | 100.0 | 78.8 | 61.4 | 60.5 | 79.4 |
18 – 23 | 88.9 | 62.6 | 30.2 | 96.9 | 67.9 | 61.8 | 35.9 | 85.9 |
24 – 30 | 100.0 | 71.2 | 14.5 | 100.0 | 79.0 | 73.0 | 24.2 | 97.0 |