Type of cancer

Total

Hiccup

non-Hiccups

P-value

Odds ratio

95% CI

Lung cancer

57

18

39

0.006

2.86

1.46 - 5.61

Gastric cancer

17

5

12

0.334

2.16

0.75 - 6.20

Malignant lymphoma

35

3

32

0.159

0.46

0.15 - 1.44

Acute lymphocytic leukemia

7

3

4

0.154

3.79

0.90 - 15.87

Neoplasm of esophageal

6

3

3

0.110

4.89

1.07 - 22.26

Bladder cancer

3

3

0

0.019

34.69

1.76 - 683.19