Differences in Body Composition in Older People from Two Regions of Mexico: Implications for Diagnoses of Sarcopenia and Sarcopenic Obesity
Table 1
Age and anthropometric characteristics and body composition of older people from two regions of Mexico.
Men
Women
Together
Variables
Northwest
Center
Northwest
Center
Northwest
Center
n=75
n=55
n=142
n=158
n= 217
n= 213
Age, years
72.7 ± 7.3
70.4 ± 6.7
71.2 ± 6.6
68.1 ± 5.5
71.7 ± 6.9
68.7 ± 5.9
Body weight, kg
77.1 ± 12.2
68.9 ± 7.9
68.6 ± 12.5
62.6 ± 9.8
71.5 ± 13.0
64.2 ± 9.7
Height, m
1.68 ± 0.0
1.63 ± 0.0
1.54 ±0.06
1.51 ± 0.0
1.59 ± 0.09
1.54 ± 0.0
Body mass index, kg/m2
27.0 ± 3.5
25.6 ± 2.4
28.7 ± 5.0
27.3 ± 4.1
28.1 ± 4.6
26.8 ± 3.8
Waist circumference, cm
99.1 ± 10.9
94.5 ± 6.9
94.9 ± 12.0
98.8 ± 10.5
96.3 ± 11.8
97.7 ± 9.9
Total body mass by DXA, kg
75.8 ± 12.0
68.0 ± 7.8
67.5 ± 12.3
61.9 ± 9.7
70.4 ± 12.8
63.5 ± 9.6
Body fat mass, kg
24.7 ± 7.1
18.8 ± 4.7
29.9 ± 8.1
26.1 ± 6.6
28.1 ± 8.1
24.2 ± 6.9
BFMI, kg/m2
8.67 ± 0.23
7.01 ± 0.27
12.55 ± 0.26
11.40 ± 0.25
11.21 ± 0.23
10.27 ± 0.23
Truncal fat, kg
14.5 ± 4.6
10.8 ± 2.9
15.4 ± 4.6
13.9 ± 3.9
15.1 ± 4.6
13.1 ± 3.9
TLT, kg
48.5 ± 6.4
47.0 ± 4.6
35.9 ± 5.1
34.3 ± 4.3
40.2 ± 8.2
37.6 ± 7.1
TBMC, kg
2.4 ± 0.3
2.1 ± 0.3
1.7 ± 0.2
1.5 ± 0.2
1.9 ± 0.47
1.6 ± 0.4
FFM, kg
51.1 ± 6.6
49.2 ± 4.8
37.6 ± 5.3
35.8 ± 4.5
42.2 ± 8.6
39.3 ± 7.4
FFMI, kg/m2
15.3 ± 1.9
18.3 ± 1.3
15.7 ± 1.9
16.8 ± 1.9
15.6 ± 1.9
17.2 ± 1.9
ASM, kg
19.3 ± 2.8
19.8 ± 2.2
13.5 ± 2.08
13.4 ± 1.8
15.5 ± 3.6
15.0 ± 3.4
ASMI, kg/m2
6.77 ± 0.007
7.39 ± 0.008
5.67 ± 0.006
5.84 ± 0.005
6.05 ± 0.006
6.24 ± 0.006
Grip strength, kg
32.5 ± 7.2
33.2 ± 7.0
18.6 ± 4.1
19.6 ± 3.9
23.4 ± 8.5
23.1 ± 7.7
Total body mass by DXA: total mass derived by dual energy X-ray absorptiometry; BFMI: body fat mass index; TLT: total lean tissue; TBMC: total bone mineral content; FFM: fat-free mass; FFMI: fat-free mass index; ASM: appendicular skeletal muscle mass; ASMI: appendicular skeletal muscle mass index; p ≤ 0.05; p ≤ 0.0001.
