TABLE 3.
Blood biomarkers at 9 mo1
| Variable | Meat | Cereal |
| IGF-I (ng/mL) | 30 ± 12 (11) | 29 ± 17 (17) |
| IGF-I BP3 | 1.70 ± 0.34 (8) | 1.73 ± 0.55 (20) |
| TNF-α (pg/mL) | 17 ± 5 (11) | 16 ± 5 (17) |
| IL-6 (pg/mL) | 4.1 ± 2.4 (6) | 3.9 ± 3.0 (12) |
| Leptin2 (ng/mL) | 2.90 ± 0.88 (7) | 2.24 ± 0.83 (20) |
| Glucose (mg/dL) | 80 ± 6 (7) | 83 ± 7 (19) |
| Insulin (μU/mL) | 11 ± 9 (8) | 11 ± 5 (18) |
| HDL (mg/dL) | 46 ± 13 (13) | 41 ± 6 (25) |
| Triglyceride (mg/dL) | 124 ± 59 (13) | 170 ± 132 (25) |
1
All values are means ± SDs; numbers of samples available are in parentheses. An independent Student's t test was used to compare groups. Cereal, lower-protein group; IGF-I, insulin-like growth factor I; IGF-I BP3, insulin-like growth factor I binding protein 3; Meat group, higher-protein group.
2
P-trend of difference between groups = 0.08.