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 |