Table 2.
Body composition outcomes.
| Placebo (n = 6) |
CR (n = 7) |
||||
|---|---|---|---|---|---|
| Pre | Post | Pre | Post | p-value | |
| Body mass (kg) | 59.4 ± 9.7 | 57.8 ± 9.0† | 58.3 ± 9.8 | 59.0 ± 10.6 | 0.010† |
| Total body water (kg) | 32.2 ± 2.7 | 32.0 ± 3.1 | 32.2 ± 3.5 | 32.7 ± 3.6† | 0.024† |
| LM (kg) | 39.8 ± 3.4 | 39.9 ± 3.6 | 39.8 ± 3.6 | 41.5 ± 4.5† | 0.020† |
| LM (%)* | 67.6 ± 5.4 | 69.6 ± 5.2 | 69.1 ± 6.4 | 71.1 ± 6.2 | 0.933 |
| Upper Appendicular LM (kg) | 3.6 ± 0.2 | 3.6 ± 0.2 | 3.7 ± 0.3 | 3.8 ± 0.4 | 0.250 |
| Lower Appendicular LM (kg) | 13.5 ± 1.0 | 13.5 ± 1.0 | 13.6 ± 1.5 | 14.1 ± 1.5† | 0.047† |
| FM (kg)* | 16.9 ± 6.3 | 15.5 ± 6.0 | 16.0 ± 7.0 | 15.0 ± 6.9 | 0.393 |
| FM (%)* | 27.8 ± 5.6 | 26.2 ± 5.6 | 26.6 ± 6.7 | 24.6 ± 7.9 | 0.506 |
| Upper Appendicular FM (kg)* | 1.8 ± 0.6 | 1.7 ± 0.6 | 1.7 ± 0.7 | 1.6 ± 0.6 | 0.733 |
| Lower Appendicular FM (kg)* | 6.8 ± 1.3 | 6.3 ± 1.1 | 6.7 ± 2.6 | 6.2 ± 1.9 | 0.882 |
| VAT (g)* | 257.0 ± 197.7 | 213.8 ± 188.3 | 210.8 ± 131.3 | 176.0 ± 100.6 | 0.670 |
| ASMI (kg/m2)* | 6.4 ± 0.3 | 6.5 ± 0.3 | 6.7 ± 0.3 | 6.9 ± 0.4 | 0.103 |
†Indicates a significant time*group interaction (p ≤ 0.05) by 2-way repeated measures ANOVA.
*Indicates a main effect of time regardless of treatment group (p ≤ 0.05) by paired t-tests.
CR; creatine monohydrate, Kg; kilograms, LM; lean mass, %; percent, FM; fat mass, VAT; visceral adipose tissue, g; grams ASMI; appendicular skeletal muscle indices, m2; meters squared.