Table 2.
Sleep and breathing parameters of the patients with OSAHS
| Variables | AHI < 15 (events/min) (n = 13) | AHI ≥ 15 (events/min) (n = 15) | P |
|---|---|---|---|
| AHI (events/h) | 9.15±3.62 | 36.14±20.88 | <0.001 |
| Minimum SaO2 (%) | 83.61±3.40 | 76.53±7.46 | 0.004 |
| Longest hypopnea (s)* | 39.5 (33.7, 60.9) | 58 (41.8, 86.2) | 0.279 |
| Longest apnea (s)* | 17.3 (13.0, 20.0) | 44.4 (28.4, 75.5) | <0.001 |
| Sleep efficiency (%) | 87.08±4.37 | 78.47±5.68 | <0.001 |
| Arousal index (events/h) | 9.23±3.3 | 37.20±23.28 | <0.001 |
*Skewed data expressed as median (IQR) and compared with Mann-Whitney test. AHI: Apnea-hypopnea index; SaO2: Oxyhemoglobin saturation; OSAHS: Obstructive sleep apnea hypopnea syndrome; IQR: Interquartile range.