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Table 3 Regression analysis results

From: Phosphate decreases urine calcium and increases calcium balance: A meta-analysis of the osteoporosis acid-ash diet hypothesis

  Urine calcium Calcium balance
Analysis B 1 p-value for slope p-value for interaction R2 B 1 p-value for slope p-value for interaction R2
Low calcium intakes (B 1) -0.012 0.001 0.19 0.612 0.048 < 0.001 0.82 0.390
High calcium intakes -0.012     0.048    
Neutral or alkaline phosphate supplement (B 1) -0.008 0.037 < 0.001 0.645 0.086 < 0.001 < 0.001 0.457
Acidic phosphate supplement -0.070 < 0.001    0.008 0.78   
  1. B 1 = slope coefficient from regression model
  2. R2 = the proportion of variance explained by the regression analysis