Table 4 Comparison of the OSA patients with chronic cough who did and did not receive CPAP treatment
From: Chronic cough and obstructive sleep apnoea in a sleep laboratory-based pulmonary practice
Characteristics | OSA with CPAP treatment n = 18 | OSA without CPAP treatment n = 21 | p-value |
|---|---|---|---|
Age | 49.8±9.5 | 57.1±10.8 | 0.055 |
Male, n (%) | 16 (88.9) | 14 (66.7) | 0.139 |
BMI | 29.2±5.4 | 29.1±3.4 | 0.602 |
Pulmonary function test | |||
FEV1/FVC | 78.9±12.5 | 85.3±6.0 | 0.193 |
FEV1 (% predicted) | 76.6±23.5 | 85.4±16.8 | 0.317 |
FVC (% predicted) | 79.4±19.5 | 86.2±16.6 | 0.367 |
Epworth Sleepiness Scale | 12.9±4.1 | 13.4±5.3 | 0.618 |
Upper airway cough syndrome | 18 (85.7) | 14 (77.8) | 0.682 |
Gastro-esophageal reflux disease | 14 (77.8) | 15 (71.4) | 0.726 |
Asthma | 4 (22.2) | 7 (33.3) | 0.497 |
Sleep parameters | |||
Total AHI, /h | 59.5±26.4 | 51.8±27.1 | 0.353 |
CPAP titration pressure | 8.8±3.0 | 7.3±1.8 | 0.318 |
Improved cough, n (%) | 12 (66.7) | 2 (9.5) | 0.010 |