Table 4.

Descriptive statistics between men with presence or absence of low ALM applying the new Canadian and the FNIH cut‐points, in the Canadian longitudinal study on aging cohort

Men	Canadian cut‐points			FNIH cut‐points
	Non‐sarcopenic (n = 3701)	Sarcopenic (n = 1024)	P a	Non‐sarcopenic (n = 4254)	Sarcopenic (n = 471)	P a
Prevalence, %	78.3	21.7		90.0	10.0
Age, year	72.2 ± 5.3	74.8 ± 5.7	<0.001	72.6 ± 5.5	74.2 ± 5.6	<0.001
Caucasian, %	96.5	94.4	0.002c	96.5	92.6	<0.001c
Weight, kg	87.0 ± 12.8	72.6 ± 9.5	<0.001	83.7 ± 13.3	86.1 ± 15.4	0.001
BMI, kg/m2	28.7 ± 3.8	24.3 ± 2.7	<0.001	27.4 ± 4.6	31.2 ± 4.6	<0.001
Nutritional risk (SCREEN II‐AB; 0–48)	39.8 ± 5.4	39.2 ± 5.9	0.027	39.8 ± 5.4	38.0 ± 6.1	<0.001
Medication number (0–11)	0.8 ± 0.9	0.8 ± 0.9	0.713	0.8 ± 0.9	1.1 ± 1.0	<0.001
PASE score (0–629)	132 ± 60	118 ± 57	<0.001	131 ± 59	108 ± 56	<0.001
Body composition
ALM, kg	27.1 ± 3.3	21.8 ± 2.1	<0.001	26.2 ± 3.6	23.0 ± 3.4	<0.001
ALM index, kg/m2	8.93 ± 0.83	7.26 ± 0.41	<0.001	8.59 ± 1.00	8.35 ± 1.10	<0.001
Total fat mass, kg	26.0 ± 7.7	21.3 ± 6.0	<0.001	24.4 ± 7.2	31.0 ± 8.6	<0.001
Muscle strength
Maximal handgrip strength, kg	41.0 ± 8.3	35.6 ± 7.4	<0.001	40.5 ± 8.2	33.7 ± 7.6	<0.001b
Physical performance
Gait speed, m/s	0.96 ± 0.19	0.93 ± 0.19	<0.001b	0.96 ± 0.19	0.87 ± 0.18	<0.001b
TUG, s	9.8 ± 1.9	10.2 ± 2.0	<0.001	9.8 ± 1.9	10.8 ± 2.3	<0.001
Chair time average, s	2.8 ± 0.7	2.9 ± 0.8	<0.001	2.8 ± 0.7	2.9 ± 0.9	<0.001
Balance, s	29.4 ± 23.1	25.8 ± 22.6	<0.001	29.8 ± 23.1	17.4 ± 19.3	<0.001
BMI‐adjusted physical performance score	0.37 ± 2.09	−0.57 ± 2.18	<0.001b	0.26 ± 2.12	−0.65 ± 2.19	<0.001b

Values are mean ± SD. ALM, appendicular lean mass; BMI, body mass index; FNIH, Foundation for the National Institute of Health; PASE, Physical Activity Scale for Elderly; SCREEN II‐AB, abbreviated Seniors in the Community Risk Evaluation for Eating and Nutrition, version II; TUG, timed up‐and‐go.

^aFrom Mann–Whitney U test unless otherwise specified.

^bIndependent t‐test.

^cChi‐square test.