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Table 1 Baseline characteristics of 100 obese older subjects by treatmenta

From: Effect of a high protein diet and/or resistance exercise on the preservation of fat free mass during weight loss in overweight and obese older adults: a randomized controlled trial

Characteristic Control Protein Exercise Protein + Exercise p-valueb
(n = 22) (n = 21) (n = 25) (n = 32)
Sex, n (% male) 6 (27%) 8 (38%) 9 (36%) 13 (41%) 0.786
Origin, % Caucasian 82% 86% 68% 84% 0.418
Age, y 63.4 ± 4.3 61.9 ± 6.1 63.1 ± 6.0 61.5 ± 5.1 0.529
Body weight, kg 92.7 ± 5.1 93.0 ± 15.3 90.7 ± 14.7 93.5 ± 14.4 0.912
BMI, kg/m2 33.2 ± 4.8 32.1 ± 4.6 32.2 ± 4.7 31.6 ± 3.4 0.584
BMI ≥ 30 kg/m2, n (%) 16 (73%) 13 (62%) 16 (64%) 21 (66%) 0.886
Waist circumference, cmc 110 ± 13 110 ± 12 107 ± 13 107 ± 9 0.761
Fat mass, %c 45.3 ± 8.2 44.7 ± 8.5 43.2 ± 8.7 41.6 ± 7.8 0.383
Fat free mass, kgd 51.0 ± 13.1 51.2 ± 10.4 51.5 ± 11.5 54.8 ± 12.7 0.584
Handgrip strength, kge 62.2 ± 22.0 65.2 ± 17.4 70.1 ± 21.8 73.9 ± 24.3 0.234
4-m gait speed, m/sf 1.17 ± 0.33 1.32 ± 0.28 1.28 ± 0.22 1.25 ± 0.18 0.284
400-m gait speed, m/sf 1.40 ± 0.17 1.42 ± 0.20 1.49 ± 0.21 1.51 ± 0.22 0.133
Time to complete 5 stands, sf 13.5 ± 3.2 12.6 ± 3.1 11.1 ± 3.0 11.7 ± 3.4 0.058
  1. aData are presented as means ± SD or as number (percentage); bSignificance level (two-sided p-value) for comparison between groups using One-Way ANOVA or Chi-square test (sex, origin and BMI group); cn protein + exercise group = 31; dn control group = 21; eSum of maximum of left and right hand; n protein group = 20; f n exercise group = 24