Table 2. Gender difference in anthropometric and polysomnographic measures of OSA subjects.
| Men (n = 242) | Women (n = 74) | P value | |
| Age (years) | 47.3±12.9 | 56.1±10.2 | <0.001 |
| Body mass index (kg/m2) | 27.1±3.5 | 25.8±4.9 | 0.036 |
| Waist circumference (cm) | 96.0±8.9 | 89.7±12.2 | <0.001 |
| Neck circumference (cm) | 39.2±2.8 | 34.5±3.4 | <0.001 |
| Epworth sleepiness scale | 9.5±4.2 | 9.0±4.2 | 0.354 |
| Mean SaO2 (%) | 91.9±3.8 | 92.8±4.5 | 0.086 |
| Lowest SaO2 (%) | 78.9±8.2 | 80.1±9.3 | 0.299 |
| Apnea-hypopnea index (/h) | 38.9±26.1 | 25.4±23.9 | <0.001 |
Data are expressed as mean ± standard deviation. OSA, obstructive sleep apnea; SaO2, oxygen saturation.