Response of cough to surgery: comparison of preoperative findings
| n | Median (IQR) preoperative cough score | Median (IQR) preoperative heartburn score | Mean (SD) preoperative 24 hour pH (%) | Mean (SD) preoperative lower oesophageal sphincter tone (mm Hg) | |
|---|---|---|---|---|---|
| Responders | 90 | 12.0 (4.0) | 12.0 (8.0) | 8.74 (11.21) | 8.52 (6.19) |
| Non-responders | 19 | 8.0 (8.0) | 8.0 (10.75) | 12.56 (13.48) | 5.26 (4.28) |
| 95% CI on difference | −2.17 to 9.80 | −6.22 to −0.291 | |||
| p value | 0.1875 | 0.2704 | t=1.265, p=0.2087 | t=−2.177, p=0.0317 |