Table 1. Demographic characteristics of 103 patients with suspected refractory GERC.
| Item | Value |
|---|---|
| Male/female | 45/58 |
| Age (years) | 42.8±12.5 |
| Cough duration (months) | 29.0 (36.0) |
| Cough symptom score | |
| Daytime | 3 (1.0) |
| Nighttime | 1 (1.0) |
| DeMeester score | 62.6±12.8 |
| SAP for acidic reflux (%) | 78.1 (45.2) |
| SAP for nonacidic reflux (%) | 63.0 (73.8) |
| FEV1 (% predictive value) | 94.5±9.3 |
| FVC (% predictive value) | 98.1±10.9 |
| FEV1/FVC (%) | 83.2±8.6 |
Data for cough duration, cough symptom score, and SAP are expressed as median (interquartile). GERC, gastroesophageal reflux-induced chronic cough; FEV1, forced expiratory volume in one second; FVC, forced vital capacity; SAP, symptom association probability.