TABLE 4.
Characteristics of young (age 22 ± 3 y) and older (age 71 ± 5 y) men who consumed intrinsically labeled casein1
| Young (n = 82) | Older (n = 83) | |
|---|---|---|
| Dose | ||
| g | 22 ± 5 | 22 ± 5 |
| g/kg BM | 0.30 ± 0.07 | 0.29 ± 0.07 |
| g/kg LBM | 0.33 ± 0.04 | 0.34 ± 0.04 |
| Age, y | 22 ± 3 | 71 ± 5* |
| Height, m | 1.82 ± 0.07 | 1.75 ± 0.06* |
| BM, kg | 74.2 ± 9.1 | 77.1 ± 9.4* |
| BMI, kg/m2 | 22.4 ± 2.2 | 25.2 ± 2.6* |
| Fat, % | 15.2 ± 3.5 | 20.0 ± 3.7* |
| ALM, kg | 27.0 ± 3.3 | 25.6 ± 3.0* |
| LBM, kg | 60.9 ± 7.3 | 59.7 ± 6.1 |
| HbA1c, % | 5.3 ± 0.3 | 5.7 ± 0.4* |
| Plasma glucose, mmol/L | ||
| Fasting | 5.1 ± 0.3 | 5.6 ± 0.5* |
| 2 h post–75-g oral-glucose | 4.5 ± 1.0 | 6.1 ± 1.6* |
1
Values are means ± SDs. *Different from young. Age ranged from 18 to 30 y for young and 60 to 83 y for older men. ALM, appendicular lean mass; BM, body mass; HbA1c, glycated hemoglobin; LBM, lean body mass.