Table 4.
Comparison of individual reflux symptom index subdomains before and after CPAP treatment.
| Variable | Reflux Symptom Index | p Value | |
|---|---|---|---|
| Pre CPAP | Post CPAP | ||
| Hoarseness | 1.26 ± 1.3 | 1.00 ± 1.03 | 0.223 |
| Throat clearing | 1.97 ± 1.40 | 1.19 ± 1.30 | <0.001 |
| Throat mucous | 2.52 ± 1.50 | 1.55 ± 1.36 | <0.001 |
| Dysphagia | 0.26 ± 0.51 | 0.23 ± 0.50 | 0.662 |
| Coughing | 0.42 ± 0.92 | 0.48 ± 0.81 | 0.690 |
| Breathing difficulty | 1.32 ± 1.40 | 0.81 ± 0.95 | 0.027 |
| Troublesome cough | 0.74 ± 1.15 | 0.42 ± 0.99 | 0.023 |
| Foreign body sensation | 1.29 ± 1.27 | 0.74 ± 1.23 | <0.001 |
| Heartburn sensation | 1.03 ± 1.22 | 0.74 ± 0.96 | 0.095 |