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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