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Diagnostic values of age and gait parameters for screening prefrailty.
| AUC (95% CI) | Sensitivity | Specificity | Cut-off values | |
|---|---|---|---|---|
| Age (years) | 0.558 (0.529–0.586) | 56.8% | 47.1% | 68.5 |
| Number of steps (steps/day) | 0.593 (0.565–0.621) | 62.9% | 53.4% | 6342.2 |
| Daily gait speed (cm/s) | 0.567 (0.539–0.595) | 55.8% | 54.5% | 106.3 |
AUC = Area under the curve, CI = confidence interval.
