Table 9. Cross tabulation of the HARQ and GerdQ in relation to diagnosis of GERC.
| Methods | GERC | Total | ||
|---|---|---|---|---|
| Positive | Negative | |||
| HARQ | ||||
| Positive | 88 | 50 | 138 | |
| Negative | 26 | 168 | 194 | |
| Total | 114 | 218 | 332 | |
| GerdQ | ||||
| Positive | 80 | 52 | 132 | |
| Negative | 34 | 166 | 200 | |
| Total | 114 | 218 | 332 | |
| HARQ & GerdQ | ||||
| Positive | 88 | 44 | 132 | |
| Negative | 26 | 174 | 200 | |
| Total | 114 | 218 | 332 | |
HARQ & GerdQ: –8.530 + 0.127 × HARQ + 0.631 × GerdQ. HARQ, Hull airway reflux questionnaire; GerdQ, gastroesophageal reflux disease questionnaire; GERC, gastroesophageal reflux-induced chronic cough.