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Table 1 Anthropometric equations to estimate infant fat mass (kg)

From: Validity of anthropometric equations to estimate infant fat mass at birth and in early infancy

Reference

Equations

Reference method

N subjects

Subject age of range

Deierlein et al. [21]

−0.012 – 0.064*gender(1 = male; 0 = female) + 0.0024*age (days) – 0.150*body weight (kg) + 0.055*body weight2 (kg)2 + 0.046*ethnicity (1 = Hispanic; 0 = not Hispanic) + 0.020*sum of 3 skinfolds (triceps, subscapular and thigh)

ADP

128

1-3 days

Catalano et al. [20]

0.54657 + 0.39055 * Birth weight (g) + 0.0453*Flank Skinfold (mm) – 0.03237*Length (cm)

TOBEC

194

1-3 days

Lingwood et al. [11]

FFM = 0.057 + 0.646 * weight (kg) - 0.089 * gender (1 = male; 2 = female) + 0.009 * length (cm)

FM = weight - FFM

ADP

77

0-4 days

Aris et al. [22]

−0.022 + 0.307 * weight (kg) - 0.077 * gender (1 = male; 0 = female) - 0.019 * gestational age (week) + 0.028 * subscapular skinfold (mm)

ADP

88

1-3 days

  1. *indicates multiplication in the scientific equation