Table 2.

Concentrations of insulin, IGF-I, and IGFBP-3 at baseline and 6 months for exercisers (n = 36) versus usual care (n = 32) [mean (SE)]

Baseline
6 mo
Change over 6 mo*
ExercisersUsual carePExercisersUsual carePExercisersUsual careP
Insulin (μU/mL)24.57 (3.85)25.69 (4.21)0.8422.92 (3.25)31.98 (5.46)0.16−1.75 (2.32)3.49 (2.46)0.089
IGF-I (ng/mL)213.34 (12.57)232.34 (18.65)0.40207.14 (11.20)243.73 (18.47)0.10−7.36 (6.02)12.70 (6.39)0.026
IGFBP-3 (μg/mL)4.15 (0.16)4.48 (0.17)0.163.98 (0.16)4.61 (0.18)0.011−0.19 (0.08)0.15 (0.10)0.006
  • * Adjusted for baseline value.