Table 3a.

Smoothed Percentiles for Inhibin B for Peri-Dubertal US Girls Ages 6.00-11.99 (N=705) Using the 2-Dart Model

Age, y	Inhibin B, pg/ml
	Smoothed Prob. of Exceeding LOD	Coefficient of Variation	Smoothed Percentiles
			10th	25th	50th	75th	90th
6.00-6.49	0.09	0.39	<7.0	<7.0	<7.0	<7.0	<7.0
6.50-6.99	0.09	0.44	<7.0	<7.0	<7.0	<7.0	<7.0
7.00-7.49	0.10	0.50	<7.0	<7.0	<7.0	<7.0	<7.0
7.50-7.99	0.13	0.55	<7.0	<7.0	<7.0	<7.0	7.78
8.00-8.49	0.18	0.60	<7.0	<7.0	<7.0	<7.0	11.65
8.50-8.99	0.25	0.63	<7.0	<7.0	<7.0	<7.0	17.29
9.00-9.49	0.33	0.64	<7.0	<7.0	<7.0	11.31	24.21
9.50-9.99	0.43	0.66	<7.0	<7.0	<7.0	16.67	31.85
10.00-10.49	0.52	0.67	<7.0	<7.0	7.64	22.60	40.13
10.50-10.99	0.59	0.69	<7.0	<7.0	12.47	28.47	48.39
11.00-11.49	0.63	0.71	<7.0	<7.0	15.81	34.22	56.71
11.50-11.99	0.67	0.73	<7.0	<7.0	19.51	40.58	65.87

The coefficients of variation only apply to the data above the LOD.