Table 2. Area under curve and cut-off points of physical metrics.

Variable	AUC (95% CI)	Cut-off	Sensitivity (%)	Specificity (%)
High-sensitivity CRP	0.65 (0.58–0.72)	3.0	43.3	81.3
Dominant grip strength
Women	0.74 (0.63–0.85)	16.0	70.0	73.6
Men	0.76 (0.69–0.84)	28.0	68.1	75.5
Relative grip strength
Women	0.77 (0.68–0.86)	1.40	80.0	67.4
Men	0.76 (0.68–0.83)	2.34	70.2	74.2
Walking speed	0.73 (0.65–0.81)	0.8	68.7	55.5
Peak expiratory flow	0.66 (0.59–0.73)	250.0	53.7	72.9

AUC, area under curve; CI, confidence interval; CRP, C-reactive protein.