Table 5.
Sensitivity and specificity of fall risk questions and tools1.
Sensitivity |
Specificity |
Positive Likelihood Ratio |
Negative Likelihood Ratio |
|||||
---|---|---|---|---|---|---|---|---|
% | 95% Confidence Interval |
% | 95% Confidence Interval |
% | 95% Confidence Interval |
% | 95% Confidence Interval |
|
Tool | ||||||||
Three Key Questions | 68.7 | 64.0, 73.4 | 57.9 | 53.2, 62.6 | 1.6 | 1.4, 2.0 | 0.5 | 0.5, 0.6 |
Stay Independent | 55.7 | 50.7, 60.7 | 75.9 | 71.8, 79.9 | 2.3 | 1.8, 3.0 | 0.6 | 0.4, 0.8 |
American Geriatric/British Geriatric | 60.1 | 55.1, 65.0 | 66.4 | 61.9, 70.9 | 1.8 | 1.4, 2.2 | 0.6 | 0.5, 0.7 |
short Falls Efficacy Scale | 22.5 | 18.3, 26.7 | 89.4 | 86.5, 92.3 | 2.1 | 1.3, 3.4 | 0.9 | 0.5, 1.4 |
Fell in the past year | 40.3 | 35.4, 45.2 | 86.2 | 82.9, 89.5 | 2.9 | 2.0, 4.2 | 0.7 | 0.5, 1.0 |
Fallen in the past 12 months | 45.3 | 40.3, 50.3 | 83.4 | 79.8, 86.9 | 2.7 | 2.0, 3.8 | 0.7 | 0.5, 0.9 |
Calculated using population weights.