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Table 3 Coefficients estimated for the initial prediction model for values of body fat (%) estimated by air displacement plethysmography in the model building database

From: A new anthropometric index for body fat estimation in patients with severe obesity

Coefficient Estimate Standard Error t Value p Value
Intercept −73.52 47.35 −1.55 0.126
AC (cm) 0.07 0.07 1.07 0.288
Body weight (kg) 0.01 0.07 0.20 0.845
HC (cm) 1.55 0.69 2.23 0.030
(HC (cm))2 −0.01 0.00 −2.00 0.051
Sex – Male 41.44 88.00 0.47 0.640
Race – brown/black −2.44 78.92 −0.03 0.976
AC (cm): male 0.13 0.14 0.91 0.367
Body weight (kg): male −0.14 0.12 −1.13 0.262
HC (cm): sex – male −0.93 1.30 −0.72 0.477
(HC (cm))2: sex – male 0.00 0.00 0.92 0.362
AC (cm): race – brown/black −0.12 0.16 −0.75 0.459
Body weight (kg): race – brown/black 0.09 0.11 0.80 0.426
HC (cm): race – brown/black 0.14 1.18 0.12 0.904
(HC (cm))2: race – brown/black 0.00 0.00 −0.17 0.868
R2 = 57.3%     
  1. Data were obtained from 72 obese patients. AC abdominal circumference, HC hip circumference