Table 4.

Sensitivity, specificity, and positive and negative predictive values for sarcopenia.

	Sensitivity (95% CI)	Specificity (95% CI)	PPV (95% CI)	NPV (95% CI)
SARC-F ≥ 1	0.65 (0.55–0.75)	0.68 (0.64–0.72)	0.27 (0.21–0.33)	0.92 (0.89–0.94)
SARC-F ≥ 2	0.39 (0.29–0.49)	0.84 (0.81–0.87)	0.30 (0.22–0.38)	0.89 (0.86–0.91)
SARC-F ≥ 3	0.28 (0.19–0.38)	0.91 (0.88–0.93)	0.34 (0.24–0.45)	0.88 (0.85–0.90)
SARC-F ≥ 4	0.21 (0.13–0.30)	0.94 (0.92–0.96)	0.38 (0.25–0.52)	0.87 (0.84–0.90)

CI, confidence interval; NPV, negative predictive value; PPV, positive predictive value.