Table 1 Sensitivity and Specificity of ZDRS at various cut-off levels. The optimum is at level 44/45
ZUNG | ||||||
|---|---|---|---|---|---|---|
level | tn | fp | fn | tp | Sn | Sp |
41/42 | 103 | 17 | 2 | 38 | 95.00 | 85.83 |
42/43 | 105 | 15 | 3 | 37 | 92.50 | 87.50 |
43/44 | 107 | 13 | 3 | 37 | 92.50 | 89.17 |
44/45 | 111 | 9 | 4 | 36 | 90.00 | 92.50 |
45/46 | 112 | 8 | 7 | 33 | 82.50 | 93.33 |
46/47 | 112 | 8 | 9 | 31 | 77.50 | 93.33 |
47/48 | 114 | 6 | 10 | 30 | 75.00 | 95.00 |
48/49 | 114 | 6 | 10 | 30 | 75.00 | 95.00 |
49/50 | 114 | 6 | 10 | 30 | 75.00 | 95.00 |
50/51 | 114 | 6 | 11 | 29 | 72.50 | 95.00 |