Table 1.
Sociodemographic characteristics of OSA patients with different smoking histories
| Characteristics | Non-smoker (N=796) | Current/former smoker (N=225) | t or χ2 test | p |
|---|---|---|---|---|
| Male patients, n (%) | 650 (81.7) | 213 (94.7) | 22.693 | <0.001* |
| Elderly patients, n (%) | 40 (5) | 24 (10.7) | 9.502 | 0.002* |
| Age (years), mean ± SD | 45.0 ± 11.3 | 46.7 ± 12.3 | −1.994 | 0.046* |
| BMI (kg/m2), mean ± SD | 27.2 ± 3.4 | 27.1 ± 3.2 | 0.562 | 0.574 |
| SpO2 when awake (%), mean ± SD | 96.7 ± 1.0 | 96.7 ± 1.0 | −0.876 | 0.381 |
| ESS score, mean ± SD | 8.5 ± 5.1 | 9.3 ± 4.0 | −2.293 | 0.022* |
OSA: obstructive sleep apnea. BMI: body mass index. SpO2: peripheral oxygen saturation. ESS: Epworth sleepiness score.
*
p-values indicate statistical significance.