Table 2 Sensitivities and specificities for threshold of weighted risk score (0 – 30)
From: Prediction of falls using a risk assessment tool in the acute care setting
Risk Score | False Positive Rate | False Negative Rate | Sensitivity | Specificity |
|---|---|---|---|---|
0 | 100.0 | 0.0 | 100.0 (100.0,100.0) | 0.0 (0.0, 0.0) |
1 | 81.7 | 2.9 | 97.1 (91.4,102.7) | 18.3 (15.1,21.4) |
2 | 61.3 | 5.9 | 94.1 (86.2,102.0) | 38.7 (34.8,42.7) |
3 | 59.0 | 5.9 | 94.1 (86.2,102.0) | 41.0 (37.0,44.9) |
6 | 52.9 | 8.8 | 91.2 (81.6,100.7) | 47.1 (43.1,51.1) |
7 | 50.5 | 8.8 | 91.2 (81.6,100.7) | 49.5 (45.4,53.5) |
8 | 43.0 | 8.8 | 91.2 (81.6,100.7) | 57.0 (53.0,61.0) |
9 | 39.8 | 8.8 | 91.2 (81.6,100.7) | 60.2 (56.3,64.2) |
10 | 34.1 | 14.7 | 85.3 (73.4, 97.2) | 65.9 (62.0,69.7) |
13 | 32.3 | 20.6 | 79.4 (65.8, 93.0) | 67.7 (64.0,71.5) |
14 | 31.4 | 23.5 | 76.5 (62.2, 90.7) | 68.6 (64.8,72.4) |
15 | 27.5 | 29.4 | 70.6 (55.3, 85.9) | 72.5 (68.9,76.1) |
16 | 24.7 | 32.4 | 67.6 (51.9, 83.4) | 75.3 (71.8,78.7) |
17 | 22.7 | 38.2 | 61.8 (45.4, 78.1) | 77.3 (73.9,80.7) |
20 | 21.2 | 44.1 | 55.9 (39.2, 72.6) | 78.8 (75.5,82.1) |
21 | 19.6 | 52.9 | 47.1 (30.3, 63.8) | 80.4 (77.2,83.6) |
22 | 17.1 | 61.8 | 38.2 (21.9, 54.6) | 82.9 (79.9,86.0) |
23 | 15.2 | 67.6 | 32.4 (16.6, 48.1) | 84.8 (81.9,87.7) |
24 | 8.2 | 73.5 | 26.5 (11.6, 41.3) | 91.8 (89.6,94.0) |
27 | 4.6 | 79.4 | 20.6 (7.0, 34.2) | 95.4 (93.7,97.1) |
28 | 4.1 | 79.4 | 20.6 (7.0, 34.2) | 95.9 (94.3,97.5) |
29 | 3.8 | 79.4 | 20.6 (7.0, 34.2) | 96.2 (94.7,97.8) |
30 | 2.2 | 85.3 | 14.7 (2.8, 26.6) | 97.8 (96.6,99.0) |