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Table 2 Comparison of expired gas in PEI and non-PEI groups

From: Measurement of fasting breath hydrogen concentration as a simple diagnostic method for pancreatic exocrine insufficiency

  PEI group (n = 30) Non–PEI group (n = 30) P value
FBHC (ppm) [range] 15.70 [1.4–77.0] 2.80 [0.7–28.2]  < 0.001
FBCC (ppm) [range] 8.15 [0.0–16.5] 4.90 [2.6–12.9] 0.001
FBMC (ppm) [range] 0.55 [0.0–36.2] 0.70 [0.0–44.9] 0.216
  1. PEI pancreatic exocrine insufficiency, FBHC fasting breath hydrogen concentration, FBCC fasting breath carbon monoxide concentration, FBMC fasting breath methane concentration, ppm parts per million