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Table 1 Characteristics of EFSOCH babies at birth.

From: Assessing newborn body composition using principal components analysis: differences in the determinants of fat and skeletal size

  Boys (mean +/- SD) Girls (mean +/- SD) p
n 363 336  
Gestation (weeks) 40.1 +/- 1.14 40.2 +/- 1.27 0.1
Weight (g) 3559 +/- 461 3479 +/- 482 0.02
Length (cm) 50.5 +/- 2.0 49.7 +/- 2.1 <0.001
Crown rump (cm) 34.1 +/- 1.6 33.7 +/- 1.7 0.001
Knee heel (cm) 12.6 +/- 0.6 12.4 +/- 0.6 0.001
Head circ (cm) 35.5 +/- 1.2 34.9 +/- 1.3 <0.001
Arm circ (cm) 11.1 +/- 0.9 11.1 +/- 0.9 0.9
Tricep (mm)* 4.6 (3.7–5.8) 4.8 (3.8–6.1) 0.005
Subscapula (mm)* 4.7 (3.7–6.0) 4.9 (3.8–6.2) 0.005
Ponderal index (kg/m3) 27.5 +/- 2.6 28.1 +/- 2.6  
  1. *Log transformed data – geometric mean and SD range reported