. Author manuscript; available in PMC: 2017 Aug 1.

Published in final edited form as: Biogerontology. 2016 Mar 10;17(4):725–736. doi: 10.1007/s10522-016-9643-y

Table 2. Basic characteristics of the LHAS nonagenarian subjects (mean ± standard deviation).

Variable	Male (n=30)	Female (n=37)	All (n=67)
Age (years)	92 ± 2	92 ± 2	92 ± 2
FI₃₄^**	0.183 ± 0.073	0.232 ± 0.069	0.210 ± 0.075
EESI (kcal/w)	3731.5 ± 3038.3	3632.8 ± 2862.8	3677.7 ± 2921.3
RMR (kcal/d)^***	1281.8 ± 147.3	1029.2 ± 122.0	1142.3 ± 183.5
FFM (kg)^***	52.1 ± 5.1	37.4 ± 5.3	44.0 ± 9.5

EESI = Energy Expenditure Summary Index of the Yale Physical Activity Survey; RMR = resting metabolic rate; FFM = fat-free mass;

^**

p ≤ 0.01 and

^***

p ≤ 0.001 by Wilcoxon test between female and male