Table 4: Univariate linear regression analysis of FEV1/FVC.

Regression coefficientStandard error value2

Monocytes (%)−0.0790.1620.626
Eosinophils (%)−0.8060.2900.006
CRP (mg/mL)0.0750.0450.098
Abdominal circumference (cm)−0.0580.0210.006
Body mass index (kg/m2) 0.0410.0470.387
OSAS (Epworth Sleepiness Scale)10.3110.1410.029
GERD (GERD questionnaire)0.0680.1570.667

1Missing values .
2Data presented as linear regression coefficient, value for simple linear regression analysis.
OSAS: obstructive sleep apnea syndrome; GERD: gastro esophageal reflux disease.