Assessment of Cardiorespiratory Fitness without Exercise in Elderly Men with Chronic Cardiovascular and Metabolic Diseases

Table 3

Diagnostic accuracy to detect low cardiorespiratory fitness (CRF ≤ 5 METs).

Group	Sensitivity	Specificity	AUC
Validation	0.852 (0.663–0.958)	0.90 (0.763–0.972)	0.876 (0.793–0.959)
Cross-validation	0.818 (0.482–0.977)	0.833 (0.586–0.964)	0.826 (0.677–0.975)

95% CI in parentheses; AUC: area under the curve.