Table 2.

Factors for diagnosis of sarcopenia.

Variables	Total	Nonsarcopenia	Sarcopenia	P value
Grip strength
Men	30.9 ± 8.0	31.4 ± 7.8	22.2 ± 5.5	<0.0001
Women	17.8 ± 5.5	18.5 ± 5.3	12.8 ± 3.9	<0.0001
Usual gait speed
Men	1.1 ± 0.3	1.1 ± 0.3	0.9 ± 0.4	0.0147
Women	1.1 ± 0.3	1.1 ± 0.3	1.0 ± 0.3	<0.0001
Muscle mass
Men	20.4 ± 4.2	20.8 ± 4.1	14.5 ± 1.7	<0.0001
Women	14.6 ± 3.4	15.1 ± 3.3	10.7 ± 1.0	<0.0001

Data are presented as mean ± standard deviation. Comparison of nonsarcopenia and sarcopenia. SMI: skeletal muscle mass index.