Subjects | Evaluation by FSSG | Prevalence (%) | p Value | |
Positive | Negative | |||
Healthy | 5 | 35 | 12.5 | 0.10 |
COPD | 22 | 60 | 26.8 |
Data were evaluated by the Ļ2 test. The relative risk for GORD symptoms in patients with COPD compared with controls was 2.15 (95% CI 0.88 to 5.25; pā=ā0.10).
COPD, chronic obstructive pulmonary disease; FSSG, Frequency Scale for the Symptoms of GORD; GORD, gastro-oesophageal reflux disease.