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Table 3 Independent effects of fat-free mass and β-hydroxy-butyrate on resting metabolic rate at each visit

From: Resting metabolic rate of obese patients under very low calorie ketogenic diet

Regression equations Corrected R 2 Coefficients B 95% CI P Value
Visit C-1
 Fat-free mass 30.7 18.4–43.0 < 0.001
 B-hydroxy-butyrate − 791.7 − 1925.6 – 342.2 0.159
  0.64    < 0.001
Visit C-2
 Fat-free mass 20.0 6.0–34.0 0.008
 β-hydroxy-butyrate 183.1 − 23.1 – 389.3 0.078
  0.38    0.015
Visit C-3
 Fat-free mass 14.8 −3.5 – 33.3 0.108
 β-hydroxy-butyrate 146.2 − 172.4 – 464.9 0.346
  0.15    0.239
Visit C-4
 Fat-free mass 25.1 14.3–35.8 < 0.001
 β-hydroxy-butyrate 9.9 − 586.5 – 606.3 0.972
  0.62    < 0.001
  1. 95% CI: 95% confidence interval. Multivariate regression analysis