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Table 3 Differences in Mean and Median Hydrogen Production at Days 0 and 36, p = .1909

From: Improving lactose digestion and symptoms of lactose intolerance with a novel galacto-oligosaccharide (RP-G28): a randomized, double-blind clinical trial

  H2 amount–hourly means Total ∆
0 1 2 3 4 5 6
RP-G28 (ppm) Day 0 0 32.17 87.17 81.43 77.17 68.02 63.95  
Day 36 0 40.90 77.05 75.24 62.79 60.05 48.98  
∆ 0 8.74 -10.12 -6.19 -14.38 -7.98 -14.98 -44.90
Placebo (ppm) Day 0 0 50.05 75.25 85.40 68.35 67.35 52.75  
  Day 36 0 43.10 89.20 82.15 80.85 61.05 51.65  
  ∆ 0 -6.95 13.95 -3.25 12.50 -6.30 -1.10 8.85
  H2 amount–hourly medians Total ∆
   0 1 2 3 4 5 6  
RP-G28 (ppm) Day 0 0 18.5 79.5 76.0 67.5 62.0 58.5  
Day 36 0 15.0 71.0 60.0 56.0 50.5 34.5  
∆ 0 -3.5 -8.5 -16.0 -11.5 -11.5 -24.0 -75.0
Placebo (ppm) Day 0 0 19.5 82.0 76.5 51.5 79.0 57.5  
Day 36 0 21.0 75.0 76.5 51.5 71.0 54.5  
∆ 0 1.5 -7.0 0.0 0.0 -8.0 -3.0 -16.5
  1. ppm = parts per million, H2 = hydrogen.
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