Table 2.
Sensitivity and Specificity of Various Short Physical Performance Battery (SPPB) Scores in Predicting Mildly Frail Status and Frail According to the Cardiovascular Health Study (CHS) Frailty Phenotype, 34- and 26-Item Frailty Indices
| Total SPPB Score Cutoff | CHS Frailty Phenotype | 34-Item Frailty Index | 26-Item Frailty Index | |||
|---|---|---|---|---|---|---|
| Frail (≥3) | Frail (≥0.25) | Frail (≥0.25) | ||||
| Sen | Spe | Sen | Spe | Sen | Spe | |
| ≤12 | 100.0% | 0.0% | 100.0% | 0.0% | 100.0% | 0.0% |
| ≤11 | 99.6% | 22.8% | 100.0% | 24.1% | 100.0% | 20.9% |
| ≤10 | 97.1% | 41.6% | 99.6% | 44.4% | 99.4% | 38.5% |
| ≤9 | 93.4% | 55.4% | 93.9% | 57.9% | 94.4% | 51.2% |
| ≤8 | 80.6% | 67.6% | 86.8% | 72.2% | 84.5% | 64.0% |
| ≤7 | 70.3% | 77.3% | 80.0% | 83.0% | 79.5% | 74.6% |
| ≤6 | 57.4% | 84.8% | 67.5% | 90.4% | 71.4% | 83.5% |
| ≤5 | 47.1% | 90.0% | 57.9% | 95.7% | 63.4% | 89.6% |
| ≤4 | 37.2% | 92.8% | 46.8% | 97.7% | 52.2% | 92.8% |
| ≤3 | 26.0% | 95.6% | 32.9% | 99.1% | 41.6% | 96.5% |
| ≤2 | 17.8% | 97.9% | 20.7% | 99.7% | 31.1% | 98.9% |
| ≤1 | 12.4% | 98.7% | 14.6% | 100.0% | 23.0% | 99.6% |
| ≤0 | 7.4% | 99.6% | 7.5% | 100.0% | 11.2% | 99.7% |
Notes: Sen = sensitivity; Spe = specificity.