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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)