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Table 4 Maturity-related differences in anthropometry and body composition in adolescent girls

From: Influence of maturation on anthropometry and body composition in Japanese junior high school students

  PH1 PH2 PH3 PH4 PH5 Post hoc test (P < 0.05)
  (n = 6) (n = 6) (n = 24) (n = 42) (n = 18)  
Age (years) 13.1 ± 0.1 13.4 ± 0.2 13.4 ± 0.2 13.4 ± 0.3 13.4 ± 0.3  
Height (cm) 149.6 ± 4.3 154.7 ± 4.3 152.9 ± 5.0 155.9 ± 5.0 155.44 ± 3.8  
Weight (kg) 42.1 ± 3.7 42.2 ± 5.8 43.5 ± 7.3 47.1 ± 5.4 47.6 ± 5.1  
BMI (kg/m2) 18.8 ± 1.5 17.6 ± 1.9 18.6 ± 2.7 19.4 ± 1.8 19.7 ± 2.1  
% Fat (%) 24.2 ± 7.2 21.1 ± 5.5 22.6 ± 6.8 24.9 ± 4.7 26.3 ± 4.8  
LBM (kg) 31.8 ± 2.3 33.1 ± 3.2 33.2 ± 3.1 35.2 ± 3.4 34.8 ± 2.1  
CTHIGH(cm) 43.3 ± 1.6 42.1 ± 2.7 43.9 ± 4.2 45.9 ± 3.4 46.3 ± 3.4  
CLOWER(cm) 31.8 ± 0.9 30.6 ± 1.5 31.8 ± 2.5 33.3 ± 2.0 33.0 ± 1.9 PH2 < PH4, PH5
PH3 < PH4
Muscle thickness (cm)       
Anterior thigh 4.5 ± 0.3 3.9 ± 0.3 4.3 ± 0.5 4.5 ± 0.5 4.6 ± 0.4 PH1 > PH2
PH2 < PH4, PH5
Posterior of lower leg 5.9 ± 0.3 5.6 ± 0.7 5.8 ± 0.6 6.0 ± 0.4 6.0 ± 0.4  
Rectus abdominis 1.0 ± 0.2 1.0 ± 0.2 1.0 ± 0.2 1.0 ± 0.1 1.0 ± 0.1  
Muscle thickness per LBM1/3 (cm/kg1/3)       
Anterior of lower leg 1.43 ± 0.12 1.22 ± 0.10 1.35 ± 0.13 1.37 ± 0.14 1.40 ± 0.13  
Posterior of lower leg 1.86 ± 0.05 1.73 ± 0.17 1.81 ± 0.14 1.84 ± 0.10 1.83 ± 0.09 PH2 < PH5
Rectus abdominis 0.30 ± 0.05 0.31 ± 0.07 0.31 ± 0.05 0.32 ± 0.04 0.31 ± 0.04  
  1. Values are expressed as mean ± SD. Age, chronological age; BMI, body mass index; % Fat, percent body fat; LBM, lean body mass; CTHIGH, circumference of thigh; CLOWER, circumference of lower leg; PH, stage of pubic hair development.