Table 3: Sensitivity and specificity of the Clinical Frailty Scale in predicting revision with different score thresholds.
|
Sensitivity |
Specificity |
Accuracy |
|
|
CFS ≤ 1 |
6.7% (95% CI 0.003-0.339) |
100.0% (95% CI 0.747-1) |
0.53 |
|
CFS ≤ 2 |
13.3% (95% CI 0.023-0.416) |
100.0% (95% CI 0.747-1) |
0.57 |
|
CFS ≤ 3 |
60.0% (95% CI 0.329-0.825) |
86.7% (95% CI 0.584-0.977) |
0.73 |
|
CFS ≤ 4 |
80.0% (95% CI 0.513-0.946) |
66.7% (95% CI 0.387-0.870) |
0.73 |
|
CFS ≤ 5 |
93.3% (95% CI 0.660-0.996) |
60.0% (95% CI 0.323-0.825) |
0.77 |
|
CFS ≤ 6 |
93.3% (95% CI 0.660-0.997) |
26.7% (95% CI 0.090-0.552) |
0.60 |
|
CFS ≤ 7 |
100% (95% CI 0.747-1) |
0% (95% CI 0-0.254) |
0.50 |