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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
  1. Data are presented as mean ± SEM.
  2. BMI body mass index, FEV1 forced expiratory volume in one second, FVC forced volume capacity, AHI apnoea-hypopnoea index.