Table 1 Demographic, anthropometric, polysomnographic and titration data in CPAP and BiPAP groups
PAP group | CPAP n = 51 | BiPAP n = 27 | p-value |
|---|---|---|---|
Variables | |||
Age (year) | 53.4 ± 13.7 | 59.6 ± 13.7 | 0.057 |
Male number (%) | 30(59.6%) | 14(53.6%) | 0.602 |
DM(%) | 24(47.0%) | 9(33.3%) | 0.382 |
HTN(%) | 15(29.4%) | 5(18.5%) | 0.344 |
CAD(%) | 16(31.4%) | 9(33.3%) | 0.950 |
Neck circumference (cm) | 41.2 ± 3.7 | 41.9 ± 4.7 | 0.427 |
BMI (kg/m2 ± SD) | 31.3 ± 6.0 | 33.0 ± 4.8 | 0.216 |
AHI category (%) | 0.543 | ||
5–14.9 | 2(3.9%) | 2(7.4%) | |
15–29.9 | 11(21.6%) | 3(11.1%) | |
≥ 30 | 37(74.5%) | 21(81.5%) | |
ODI | 35.6 ± 23.0 | 45.8 ± 26.0 | 0.193 |
T < 90%a | 11.0 ± 18.1 | 13.0 ± 17.4 | 0.964 |
REM Cycle Number | 1.6 ± 2.1 | 0.7 ± 1.0 | 0.249 |
Supine position | 10(19.6%) | 8(28.6%) | 0.340 |