Table 1.
Subject characteristics
| Subject | Age (yr) | Sex | Race | BMI (kg/m2) | BMI percentilea | Pubertal stageb | Morning LH (IU/liter) |
|---|---|---|---|---|---|---|---|
| 1 | 12.3 | F | C | 26.0 | 95 | BII | 4.7 |
| 2 | 14.4 | M | AA | 40.0 | >97 | 12 ml | 1.5 |
| 3 | 11.8 | M | C | 15.0 | 5 | 4 ml | 0.5 |
| 4 | 13.4 | M | C | 18.2 | 44 | 5 ml | 1.6 |
| 5 | 11.8 | M | C | 17.3 | 44 | 5 ml | 2.2 |
| 6 | 12.8 | F | C | 25.4 | 94 | BII | 0.9 |
| 7 | 11.8 | F | Hisp | 35.3 | >97 | BII | 4.3 |
| 8 | 15.6 | M | C | 20.1 | 47 | 15 ml | 3.4 |
| 9 | 9.9 | F | C | 22.1 | 93 | BIII | 1.0 |
AA, African-American; BMI, body mass index; C, Caucasian; F, female; Hisp, Hispanic; M, male.
a
Age- and sex-adjusted body mass index percentile over 85 is classified as overweight and over 95 is classified as obese in children (56).
b
Tanner breast stage (B) or testicular volume. All girls were premenarcheal. Although 12- to 15-ml testes fall within the normal range of testicular size in adult males, review of growth charts for subjects 2 and 8 indicated a pubertal growth velocity, confirming that they had not yet completed puberty.