Table 5. Skeletal muscle mass and muscle functional assessment according to IGF-I tertiles.

Skeletal muscle mass and functional assessment	IGF-I Tertile 1	IGF-I Tertiles 2 and 3	p-value
Females
Sarcopenia (n=72), %	18.2	28.0	0.56
Failed chair rise test (n=51), %	81.0	80.0	0.93
Weak grip strength (n=52), %	50.0	43.3	0.63
Slow gait (n=40), %	47.1	52.2	0.75
Frailty (n=42), %	76.5	64.0	0.51
Males
Sarcopenia (n=15), %	21.4	11.5	0.65
Failed chair rise test (n=24), %	75.0	54.6	0.60
Weak grip strength (n=24), %	66.7	33.3	0.21
Slow gait (n=19), %	57.1	33.3	0.38
Frailty (n=19), %	50.0	46.2	>0.99