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. 1998 Mar;42(3):323–329. doi: 10.1136/gut.42.3.323

Figure 2 .

Figure 2

Comparison of parameters of gastro-oesophageal reflux during ambulatory pH monitoring: percentage reflux episodes.
Reflux episodes NCA CAD p Value*
Total number 20 (3.2 to 39.0) 12.0 (7.5 to 17.5) 0.3
Number >5 min 1.0 (0.0 to 5.0) 1.0 (0.0 to 3.0) 0.9
Longest duration 9.0 (1.2 to 21.7) 7.0 (5.0 to 15.0) 0.7