Table 1

Levels of IGF-1 and IGFBP-3, with ORs and 95% CIs

AssayCases (n = 30) mean (SD)Controls (n = 60) mean (SD)P (t test)OR (95% CI) for Q4avs. Q1 (reference); P for trend
IGF-1119.8 (46.0)118.4 (42.8)0.630.7 (0.2–2.3); 0.50
0.6b (0.1–2.9); 0.54
IGFBP-31042.5 (285.3)1022.6 (258.0)0.511.1 (0.3–3.8); 1.00
  • a Q, quartile.

  • b Also adjusted for IGFBP-3, in fourths of the distribution among controls.