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Table 2 Comparison of boys with familial constitutional delay of puberty according to the type (unilineal bilineal) of inheritance

From: Constitutional delay of puberty: presentation and inheritance pattern in 48 familial cases

  Unilineal inheritance (n = 26) Bilineal inheritance (n = 8) p
  n m ± SD n m ± SD  
Age at onset, years 22 15.25 ± 0.35 7 16 ± 1.41 0.06
Age at evaluation, years 26 15.1 ± 0.42 8 16.05 ± 2.47 0.12
Testosterone, ng/mL 22 0.38 ± 0.35 6 0.32 ± 0.4 0.31