Total

Hiccups (n = 48)

Non-hiccups(n = 244)

P-value

Odds ratio

95% CI

All of steroid drugs

200

48

152

<0.0001

-

-

Dexamethasone

183

44

139

<0.0001

8.31

2.89 - 23.85

Prednisolone

11

3

8

0.3982

1.96

0.50 - 7.67

Hydrocortisone

9

1

8

1

0.63

0.08 - 5.14

Methylprednisolone

2

1

1

0.3022

5.17

0.32 - 84.12

All of antiemetics

235

46

189

0.0023

6.69

1.57 - 28.45

5-HT3 receptor antagonist

225

43

182

0.0241

2.92967

1.11 - 7.73

Metoclopramide

14

9

5

<0.0001

11.03

3.51 - 34.64