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Table 2 Univariate analysis of the variables associated with chronic cough

From: Chronic cough and obstructive sleep apnoea in a sleep laboratory-based pulmonary practice

Parameter beta Standard error 95% CI P value
BMI 0.060 0.042 0.98 to 1.15 0.153
Male −0.033 0.406 0.437 to 2.15 0.936
AHI 0.016 0.007 1.00 to 1.03 0.019
GERD 2.379 0.434 4.61 to 25.27 0.000
Upper airway cough syndrome 0.539 0.481 0.67 to 4.40 0.262
Asthma 0.778 0.468 0.87 to 5.44 0.096
FEV1 (%) −0.005 0.010 0.98 to 1.02 0.650
  1. BMI body mass index, AHI apnoea-hypopnoea index, GERD Gastro-oesophageal reflux disease, FEV1 forced expiratory volume in one second.