From: Acid regurgitation associated with persistent cough after pulmonary resection: an observational study
Case
No. of reflux occurrences#
Time pH <4 (min)#
Time pH <4 (%)
Coughing (VAS)
No. of coughing occurrences#
Result of pH monitor (group)
3
133
53
3.7
0
1
B
5
180
382
28.9
6
422
188
13.1
2
7
197
150
10.5
9
214
207
14.4
18