Table 4.
Comparison of the OSA patients with chronic cough who did and did not receive CPAP treatment
| 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 |
Data are presented as mean ± SEM.
BMI body mass index, FEV1 forced expiratory volume in one second, FVC forced volume capacity, AHI apnoea-hypopnoea index.