Table 4 Validating the best three models against previously published models, NHANES 1999–2002 validation set (n = 2966).

From: Development and validation of a prediction equation for body fat percentage from measured BMI: a supervised machine learning approach

Studies

Meana

SEEb

Paired t test

P-valued

Mean of Difference (%changesc)

Measured BF%

33.75

–

–

–

Gallagher18

30.27

5.06

−3.47 (−10.28%)

 < 0.001

Gomez-Ambrosi19

33.64

4.22

−0.11 (−0.33%)

0.17

Liu21

31.05

4.37

−2.65 (7.85%)

 < 0.001

Model 1

33.74

3.29

−0.0078 (−0.02%)

0.90

Model 2

33.74

3.29

−0.0054 (−0.02%)

0.93

Model 3

33.73

3.29

−0.0116 (−0.03%)

0.85

  1. The metrics for the top performing model(s) are in Bold.
  2. aMean: Mean of the predicted BF%.
  3. bSEE: Standard error of estimation.
  4. c%changes: Percentage changes of means from the measured value.
  5. dP-value: P-value for paired t-test.
Back to article page