Table 2.

Plasma glucose, insulin, IGF-I, and lactate

	Resting Glucose, mg/dl		Resting Insulin, μU/ml		Resting IGF-I, pg/ml		Postexercise Lactate, mmol/l
BMI Percentile	Late pubertal	Early pubertal	Late pubertal	Early pubertal	Late pubertal	Early pubertal	Late pubertal	Early pubertal
<85	88 ± 2	89 ± 1	6.4 ± 0.7	4.9 ± 0.6	570 ± 40	379 ± 45†	6.2 ± 0.5	2.7 ± 0.4†
95–97	96 ± 3*	91 ± 2	9.2 ± 1.4	13.9 ± 2.7*	584 ± 51	366 ± 47†	5.7 ± 1.0	2.1 ± 0.5†
97–98.5	93 ± 4	92 ± 2	16.1 ± 1.7*	8.3 ± 1.0*†	559 ± 64	370 ± 107	6.2 ± 0.7	3.1 ± 1.3†
>98.5	110 ± 9*	93 ± 2†	15.3 ± 2.5*	12.5 ± 1.4*	481 ± 96	377 ± 28	5.9 ± 0.3	2.8 ± 0.3†

Values are means ± SE. IGF-I, insulin-like growth factor I.

^*P < 0.05 vs. corresponding normal-weight (BMI <85th percentile) children.

^†P < 0.05 vs. corresponding late-pubertal children.