Table 2.
Paired analysis of the relationship between preoperative complaints and current symptoms
| Symptom present preoperatively? |
Difference in proportion (95% CI) | OR (95% CI)a | p-valueb | |||
|---|---|---|---|---|---|---|
| Symptom | Currently present? | yes | no | |||
| Dysphagia | ||||||
| yes | 76 | 55 | −0.20 (−0.25, −0.14) | 0.34 (0.25, 0.47) | <0.0001 | |
| no | 160 | 246 | ||||
| Heartburn | ||||||
| yes | 100 | 27 | −0.44 (−0.49, −0.39) | 0.1 (0.07, 0.15) | <0.0001 | |
| no | 261 | 138 | ||||
| Regurgitation | ||||||
| yes | 28 | 20 | −0.48 (−0.53, −0.43) | 0.08 (0.05, 0.12) | <0.0001 | |
| no | 261 | 193 | ||||
| Chest/Abdominal Pain | ||||||
| yes | 34 | 30 | −0.42 (−0.47, −0.36) | 0.13 (0.09, 0.19) | <0.0001 | |
| no | 228 | 183 | ||||
| Postprandial Bloating | ||||||
| yes | 47 | 97 | −0.02 (−0.08, 0.04) | 0.92 (0.69, 1.2) | 0.53 | |
| no | 106 | 240 | ||||
| Aspiration | ||||||
| yes | 2 | 12 | −0.09 (−0.12, −0.05) | 0.24 (0.11, 0.45) | <0.0001 | |
| no | 51 | 387 | ||||
| Shortness of Breath | ||||||
| yes | 31 | 29 | −0.29 (−0.34, −0.23) | 0.18 (0.12, 0.27) | <0.0001 | |
| no | 163 | 243 | ||||
| Proton Pump Inhibitors | ||||||
| yes | 161 | 31 | −0.41 (−0.46, −0.36) | 0.12 (0.08, 0.18) | <0.0001 | |
| no | 249 | 89 | ||||
a
Odds ratio (OR) and 95% confidence interval (CI) for having a symptom currently if it was present preoperatively
b
McNemar’s chi-square for analysis of paired variables