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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,