Table 4 Diagnostic accuracy indicators of the sarcopenia risk score in the exploratory and validation populations
From: A new, alternative risk score for sarcopenia in Chinese patients with type 2 diabetes mellitus
AUC | 95% CI | Youden index | Cutoff point | Sensitivity (%) | Specificity (%) | Positive predictive value (%) | Negative predictive value (%) | |
|---|---|---|---|---|---|---|---|---|
Exploratory population | ||||||||
All | 0.806 | 0.741–0.872 | 0.519 | 12 | 70.9 | 81.0 | 33.0 | 94.4 |
Men | 0.797 | 0.725–0.869 | 0.502 | 12 | 84.1 | 66.1 | 34.1 | 92.6 |
Women | 0.700 | 0.532–0.868 | 0.363 | 10 | 54.5 | 81.8 | 15.4 | 97.0 |
Validation population | ||||||||
All | 0.836 | 0.781–0.892 | 53.7 | 88.8 | 27.2 | 96.1 | ||
Men | 0.789 | 0.707–0.871 | 64.5 | 78.2 | 26.3 | 94.8 | ||
Women | 0.873 | 0.782–0.965 | 50.0 | 91.9 | 18.5 | 98.0 | ||