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Table 3 Gonadotropin levels in patients with ICPP with a normal karyotype (adapted from Pigneur et al. [15]) and ICPP in cases with KS

From: Idiopathic central precocious puberty in a Klinefelter patient: highlights on gonadotropin levels and pathophysiology

 

LH

(UI/l)

LH

Post-GnRH

(UI/l)

FSH

(UI/l)

FSH

Post-GnRH

(UI/l)

T (ng/ml)

ICPP (Pigneur et al. 2008) (28 patients) (Mean ± SD)[15]

1.1 ± 0.6

15.5 ± 0.8

2.7 ± 1.5

5.7 ± 3.9

2.6 ± 2.1

ICPP+KS (8 cases) (5–9 years) (Mean ± SD)

Review of cases in the present study

9.4 ± 12

58 ± 48

23.1 ± 38.5

49.1 ± 62.1

3.1 ± 1.3

  1. ICPP Idiopathic central precocious puberty, KS Klinefelter syndrome, FSH Follicle stimulating hormone, LH Luteinizing hormone, GnRH Gonadotropin-releasing hormone, SD Standard deviation, T Testosterone levels. Data are presented as mean ± SD