TABLE 1.
Characteristics of the older men and women who participated in the phenylalanine requirement study1
| Characteristics | Men | Women | P value |
|---|---|---|---|
| Participants, n | 6 | 6 | |
| Age, y | 70.8 ± 5.4 | 76.7 ± 7.0 | 0.14 |
| Weight, kg | 82.9 ± 17.4 | 63.6 ± 14.5 | 0.06 |
| Height, cm | 176.6 ± 5.9 | 158.3 ± 6.4 | <0.01 |
| BMI, kg/m2 | 26.4 ± 4.9 | 25.3 ± 4.4 | 0.67 |
| Fat-free mass, kg | 62.8 ± 9.9 | 44.8 ± 8.8 | <0.01 |
| Fat mass, kg | 20.1 ± 9.0 | 18.8 ± 6.8 | 0.78 |
| Fat mass, % | 23.5 ± 5.96 | 29.1 ± 5.8 | 0.13 |
| Fasting serum glucose, mmol/L | 5.2 ± 0.7 | 4.9 ± 0.3 | 0.18 |
| Serum creatinine, µmol/L | 72.5 ± 12.0 | 66.2 ± 7.7 | 0.15 |
| Serum urea, mmol/L | 5.4 ± 1.3 | 7.9 ± 2.4 | 0.02 |
| Estimated glomerular filtration rate, mL/min/1.732 | 91.2 ± 10.4 | 74.8 ± 12.8 | 0.08 |
| Resting energy expenditure, kcal/d | 1482 ± 137 | 1223 ± 285 | 0.08 |
1
Values are means ± SDs unless otherwise noted.