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Table 3 Results of 24-hour pH monitoring.

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) SAP
1 57 15 1 6 43 A 97.0
2 86 63 4 10 89 A 100.0
3 126 49 3 6 86 A 99.9
4 263 143 10 10 58 A 100.0
5 195 472 33 3 40 A 97.5
6 443 572 40 4 186 A 99.9
7 110 98 7 6 46 A 97.5
8 193 207 14 3 43 A 100.0
9 310 145 10 5 95 A 99.9
10 227 153 11 8 156 A 99.7
11 131 29 2 5 20 C 80.6
12 43 58 4 3 8 B 60.1
13 38 41 3 3 7 B 61.4
14 285 273 19 0 1 B 69.9
15 256 223 15 0 1 B 69.9
16 413 659 46 0 0 B 0.0
17 441 518 36 1 10 B 81.1
  1. #In 24-hour period, VAS: visual analog scale, SAP: symptom association probability,