Lifetime and current prevalences of gastrointestinal symptoms in the study groups
| Symptom | Asthma group (n = 75) | Control group (n = 75) | p Value | OR (95% CI) |
| Any gastrointestinal symptom | ||||
| Life | 58 | 42 | 0.009 | 2.68 (1.32 to 5.43) |
| Current | 28 | 9 | 0.001 | 4.36 (1.88 to 10.11) |
| Infantile colic | ||||
| Life | 21 | 24 | NS | 0.82 (0.41 to 1.66) |
| Current | 0 | 0 | NS | – |
| Abdominal pain | ||||
| Life | 19 | 7 | 0.018 | 3.29 (1.29 to 8.40) |
| Current | 16 | 4 | 0.008 | 4.81 (1.52 to 15.18) |
| Bloating | ||||
| Life | 9 | 4 | NS | 2.42 (0.71 to 8.23) |
| Current | 6 | 2 | NS | 3.17 (0.62 to 16.2) |
| Eructation | ||||
| Life | 4 | 2 | NS | 2.05 (0.36 to 11.5) |
| Current | 3 | 0 | NS | – |
| Flatulence | ||||
| Life | 7 | 3 | NS | 2.47 (0.61 to 9.94) |
| Current | 5 | 2 | NS | 2.60 (0.49 to 13.88) |
| Diarrhoea | ||||
| Life | 14 | 3 | 0.010 | 5.50 (1.51 to 20.06) |
| Current | 4 | 0 | NS | – |
| Constipation | ||||
| Life | 18 | 10 | NS | 2.05 (0.87 to 4.80) |
| Current | 13 | 7 | NS | 2.03 (0.76 to 5.43) |
| Vomiting | ||||
| Life | 12 | 1 | 0.004 | 14.09 (1.78 to 111.42) |
| Current | 2 | 0 | NS | – |
| Regurgitation | ||||
| Life | 27 | 16 | 0.071 | 2.07 (1.00 to 4.28) |
| Current | 1 | 0 | NS | – |
CI, confidence interval; OR, odds ratio.