Table 2 Subject Characteristics (N = 97)
From: Relationship of aging, skeletal muscle mass, and tooth loss with masseter muscle thickness
Eichner A | Eichner B | Eichner C | P-value | |
|---|---|---|---|---|
Men | n = 13 | n = 25 | n = 6 | |
Age, years, median (IQR) | 68 (67.0_71.5) | 77 (74.5_84.5) | 74.5 (71.0_85.0) | < .01a |
SMI, kg/m2, mean ± SD | 7.5 ± 0.8 | 7.7 ± 0.9 | 8.0 ± 0.8 | .49 |
Weight, kg, mean ± SD | 61.2 ± 9.6 | 62.0 ± 10.8 | 66 ± 3.5 | .60 |
Grip strength, kg, mean ± SD | 35.2 ± 5.2 | 31.4 ± 6.3 | 36.2 ± 5.8 | .09 |
Walking speed, m/s, median (IQR) | 1.3 (1.2_1.5) | 1.3 (1.1_1.4) | 1.3 (1.2_1.5) | .30 |
MMT at rest, mm, mean ± SD | 10.7 ± 2.0 | 9.6 ± 1.9 | 9.9 ± 1.6 | .25 |
MMT during contraction, mm, mean ± SD | 14.5 ± 2.3 | 12.7 ± 2.1 | 11.9 ± 1.4 | < .05b |
Women | n = 28 | n = 20 | n = 5 | |
Age, years, median (IQR) | 70 (67.3_72.8) | 73 (68.3_75.0) | 78 (75.5_82.0) | < .01a |
SMI, kg/m2, mean ± SD | 6.2 ± 0.7 | 6.2 ± 0.7 | 6.0 ± 0.7 | .84 |
Weight, kg, mean ± SD | 53.0 ± 8.7 | 54.5 ± 7.1 | 48.6 ± 9.0 | .36 |
Grip strength, kg, mean ± SD | 23.8 ± 4.3 | 23.0 ± 3.8 | 22.1 ± 5.9 | .65 |
Walking speed, m/s, median (IQR) | 1.5 (1.3_1.6) | 1.4 (0.9_1.4) | 1.1 (0.8_1.5) | < .05a |
MMT at rest, mm, mean ± SD | 8.7 ± 1.5 | 8.0 ± 1.8 | 7.0 ± 1.2 | < .05b |
MMT during contraction, mm, mean ± SD | 11.3 ± 1.7 | 10.4 ± 1.9 | 9.7 ± 1.8 | .09 |