Table 1. Socio-demographic characteristics and functional parameters in the sample stratified for group membership.

	50-89 (N = 475)	90-108 (N = 290)
Age (year)
Mean (SD)	70.40 ± 8.71	96.86 ± 3.86
Male (%)	50%	37.24%
Height
Mean (SD)	161.54 ± 9.28	151.39 ± 9.52
Range	138-190	125-175
BMI (SD)
Mean (SD)	27.24 ± 4.19	23.12 ± 4.03
Range	17.80-45.35	12.98-40.54
HG strength
Mean (SD)	22.86 (10.0)	13.09 (6.22)
Range	4-55	1-36
ADL [n (%)]
Non disable (=5)	84.4%	31.9%
Disable (<5)	15.6%	68.1%
Walking 4 meters [sec]
Mean (SD)	7.77 (4.35)	12.3 (7.26)
Range	2.65-50.00	3.65-43.0

Abbreviations: BMI: Body mass index; ADL, Activity Daily Living; HG, Hand Grip Strength.