Table 1.
The basic data of the OSA patients and controls (n = 65).
| OSAS (n = 65) | Control (n = 65) | p | |
|---|---|---|---|
| Age (years) | 50.7 ± 11.5 | 44.7 ± 11.3 | 0.062 |
| Male (n) (%) | 44 (67.7) | 44 (67.7) | 0.106 |
| BMI (Kg/m2) | 30.50 ± 4.90 | 29.71 ± 5.58 | 0.198 |
| Total sleep time (min) | 311.70 ± 67.77 | 328.09 ± 5.58 | 0.200 |
| Stage 1 (%) | 19.8 ± 13.8 | 15.7 ± 7.9 | 0.184 |
| Stage 2 (%) | 63.0 ± 13.9 | 60.0 ± 7.6 | 0.106 |
| Stage 3 (%) | 8.5 ± 7.0 | 13.6 ± 8.5 | 0.001 |
| REM (%) | 8.4 ± 5.8 | 11.2 ± 7.2 | 0.014 |
| Sleep efficiency (%) | 76.61 ± 12.43 | 79.02 ± 12.50 | 0.181 |
| AI (per h) | 23.36 ± 24.90 | 1.32 ± 2.87 | 0.001 |
| AHI (per h) | 35.32 ± 17.93 | 4.49 ± 3.79 | 0.001 |
| HI (per h) | 6.48 ± 3.79 | 4.45 ± 3.96 | 0.001 |
| QTcd time (ms) | 62.48 ± 16.29 | 29.72 ± 6.30 | 0.001 |
| Maximum heart rate (pulse min−1) | 123.9 ± 29.2 | 111.7 ± 18.2 | 0.025 |
| Minimum heart rate (pulse min−1) | 54.6 ± 9.5 | 53.2 ± 6.6 | 0.453 |
| Mean heart rate (pulse min−1) | 75.7 ± 12.4 | 71 ± 8.1 | 0.029 |
| Initial saturation (%) | 93.86 ± 2.13 | 95.72 ± 1.34 | 0.001 |
| Minimum saturation (%) | 75.11 ± 12.42 | 89.06 ± 2.84 | 0.001 |
| Mean saturation (%) | 93.05 ± 2.55 | 95.22 ± 1.76 | 0.001 |
| Desaturation index (per h) | 32.11 ± 24.44 | 3.54 ± 2.47 | 0.001 |
BMI, body mass index; AI, apnea index; AHI, apnea-hypopnea index; HI, hypopnea index; QTcd, QT corrected interval dispersion.
p-Values were determined using Chi-Square test for categorical variable, Student t-test or Mann–Whitney test for continuous variable (p < 0.05).