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Table 2 Clinical and hormonal features of the pre-pubertal control group

From: Methylome profiling of healthy and central precocious puberty girls

Pre-pubertal control number Chronological age (years) BMI (Z) Breast Tanner stage Pubic hair Tanner stage Basal LH (IU/L) Basal FSH (IU/L) E2 (pg/mL)
1 6.1 0.55 1 1 < 0.1 3 < 15
2 8.1 − 0.16 1 1 < 0.1 1.4 < 15
3 7.2 − 0.73 1 1 < 0.1 0.7 < 15
4 6.6 1.12 1 1 < 0.1 3.1 < 15
5 6.2 0.61 1 1 < 0.1 1.4 < 15
6 5.2 0.63 1 1 < 0.1 1.5 < 15
7 5.7 0.99 1 1 < 0.1 2.4 < 15
8 7.2 0.44 1 1 < 0.1 1.6 < 15
9 9 − 0.02 1 1 < 0.1 2.9 < 15
10 5.4 −  0.86 1 1 < 0.1 8.9 < 15
11 8.6 0.07 1 1 < 0.1 1.8 < 15
12 7.2 − 0.47 1 1 < 0.1 2.2 < 15
13 7.9 0.90 1 1 < 0.1 2.4 < 15
14 7.5 0.32 1 1 < 0.1 3.3 15.7
15 2.6 − 0.6 1 1 < 0.1 3.5 < 15
  1. Abbreviations: BMI body mass index, E2 estradiol