Table 1. Measures of IGF-I, IGFBPs, and IGF-I/IGFBP-3 molar ratios in females and males.
Measurement | Females (n=163) | Males (n=40) | p-value |
---|---|---|---|
Age (yrs) | 97.2 (95.1-99.9) | 97.5 (95.5-98.8) | >0.99 |
IGF-I, ng/mL (n=203) |
99±42 | 87±32 | 0.10 |
IGFBP-1, ng/mL (n=195) |
16 (0-27) | 18 (0-26) | 0.93 |
IGFBP-3, mg/mL (n=201) |
3.3±1.0 | 2.6±0.8 | <0.01 |
IGF-I/IGFBP-3 molar ratio (n=201) |
0.11±0.03 | 0.13±0.04 | <0.01 |