Table 3.

Time-dependent sensitivity and specificity of EWGSOP2 and NAKO-derived cut-off points for all-cause mortality in the KORA-Age sample

	3-year survival		6-year survival
	Sensitivity (95% CI) in %	Specificity (95% CI) in %	Sensitivity (95% CI) in %	Specificity (95% CI) in %
Men (n = 513)
EWGSOP2 low grip strength cut-off point	32.7 (20.2, 45.4)	87.9 (85.3, 90.3)	30.1 (22.5, 37.2)	90.8 (88.0, 93.1)
NAKO-derived low grip strength cut-off point	51.9 (38.7, 63.1)	80.9 (78.0, 84.5)	45.5 (35.6, 52.4)	84.9 (81.1, 87.9)
Difference (EWGSOP2 - NAKO-derived cut-off point)	-19.2 (-29.9, -8.5)	6.9 (4.6, 9.3)	-15.4 (-21.8, -9.1)	5.9 (3.6, 8.2)
Women (n = 499)
EWGSOP2 low grip strength cut-off point	37.5 (22.5, 53.0)	88.0 (84.7, 90.9)	27.3 (18.9, 40.6)	88.9 (85.3, 91.6)
NAKO-derived low grip strength cut-off point	54.2 (37.1, 72.1)	82.9 (79.4, 86.2)	36.4 (28.2, 52.6)	83.8 (80.2, 87.4)
Difference (EWGSOP2 - NAKO-derived cut-off point)	-16.7 (-31.6, -1.8)	5.1 (3.1, 7.0)	-9.1 (-16, -2.2)	5.1 (3.0, 7.1)

CI: confidence interval, EWGSOP2: European Working Group on Sarcopenia in Older People 2, n: number of participants, NAKO: German National Cohort.