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Baseline characteristics (ITT analysis).
| Characteristic | N started (completed) | Gender M/F | Mean age (S.D.) | BMI (calc) |
| PBO | 16(9) | 6/10 | 58.9(7.4) | 32.4 |
| A | 20(15) | 11/9 | 58.5(12.1) | 32.5 |
| GS | 19(14) | 8/11 | 59.2(8.3) | 32.1 |
| G+A | 15(12) | 8/7 | 60.3 (9.8) | 30.5 |
| p (ANOVA*) | NS | NS | NS | NS |
* = ANCOVA comparison between groups
