Table 3.

Pubertal Growth Characteristics for European, White American, and British Children

BoysGirls
AmericanEuropean and BritishAmericanEuropean and British
Age at takeoff (y)10.45  (1.47)12.05  (0.85)9.25  (1.15)10.30  (0.95)
Height at takeoff (cm)144.00  (—)146.09  (6.33)138.00  (—)137.91  (7.02)
Age at peak height velocity (y)13.57  (1.11)13.91  (0.84)11.49  (1.17)11.89  (0.90)
Peak height velocity (cm/y)9.49  (1.44)8.80  (1.05)8.14  (1.25)8.13  (0.78)
Final adult height (cm)177.00  (—)173.64  (6.11)163.00  (—)163.16  (5.94)
Puberal height gain (cm)33.00  (—)27.56  (3.54)25.00  (—)25.25  (4.14)
  • Data are mean (SD). Data from Berkey et al3(American) and Tanner and Whitehouse8 (European and British).