Table 1.
Characteristics and polysomnographic variables of the male and female patients with obstructive sleep apnea.
| Female (n = 339) | Male (n = 2006) | P value | 95% confidence interval | ||
|---|---|---|---|---|---|
| BMI (kg/m2) | 27.8 ± 5.9 | 27.8 ± 4.4 | 0.869 | −0.598 | 0.708 |
| Age (years) | 48.5 ± 12.2 | 45.6 ± 12.8 | <0.001 | 1.475 | 4.407 |
| ESS | 9.4 ± 5.4 | 10.4 ± 5.2 | 0.001 | −1.613 | −0.397 |
| AHI (/h) | 23.7 ± 22.5 | 41.8 ± 28.1 | <0.001 | −20.711 | −15.316 |
| Sleep efficiency (%) | 76.6 ± 16.6 | 77.8 ± 15.8 | 0.187 | −3.072 | 0.600 |
| Arousal index (/h) | 16.2 ± 13.4 | 29.12 ± 21.2 | <0.001 | −15.256 | −10.572 |
| Desaturation index (/h) | 24.4 ± 24.1 | 38.6 ± 28.0 | <0.001 | −17.098 | −11.395 |
| Mean SaO2 (%) | 95.2 ± 2.8 | 93.7 ± 3.7 | <0.001 | 1.173 | 1.843 |
| Lowest SaO2 (%) | 79.2 ± 11.9 | 75.4 ± 13.4 | <0.001 | 2.454 | 5.255 |
Values are mean ± SD. BMI, body mass index; ESS, Epworth Sleepiness Scale; AHI, apnea-hypopnea index; SaO2, oxygen saturation.