Table 4.
The affecting factors attributing to adherence of CPAP.
| Characteristic | Poor adherence (n = 388) | Good adherence (n = 262) | p |
|---|---|---|---|
| Female (n,%) | 81 (59.6 %) | 55 (40.4 %) | |
| Male (n,%) | 307 (59.7 %) | 207 (40.3 %) | |
| Age (years) | 49.37 (±13.36) | 51.88 (±13.12) | |
| BMI (kg/m2) | 27.30 (±5.52) | 27.43 (±4.28) | .754 |
| TST (minutes) | 437.94 (±36.53) | 435.75 (±27.39) | .411 |
| N1 (%) | 37.44 (±17.94) | 37.25 (±15.61) | .668 |
| N2 (%) | 31.99 (±20.66) | 33.40 (±16.99) | .361 |
| N3 (%) | 42.28 (±16.34) | 39.69 (±10.85) | .025∗ |
| REM (%) | 10.24 (±7.08) | 9.49 (±7.32) | .192 |
| Total wake time (minutes) | 17.94 (±7.49) | 17.41 (±6.74) | .356 |
| WASO (minutes) | 13.05 (±19.63) | 12.24 (±10.52) | .543 |
| Latency to sleep (minutes) | 54.86 (±49.83) | 54.81 (±47.61) | .989 |
| Latency to REM onset (minutes) | 117.38 (±77.94) | 112.53 (±72.53) | .426 |
| Sleep efficiency (%) | 85.27 (±11.06) | 85.37 (±10.83) | .909 |
| AHI (per hour) | 42.78 (±22.03) | 47.53 (±22.66) | .008∗ |
| RDI (per hour) | 43.44 (±21.73) | 48.14 (±22.38) | .008∗ |
| PLMS (per hour) | 5.93 (±17.27) | 3.84 (±10.87) | .081 |
BMI, Body mass index; TST, Total Sleep Time; N, Non-REM stage; REM, Rapid eye movement; WASO, wakefulness after sleep onset; AHI, Apnea hypopnea index; RDI, respiratory disturbance index; PLMS, Periodic limbs movement during sleep.