Table 1.
Summary of patient characteristics and nocturnal polygraphic results
| Total | Female | Male | |
|---|---|---|---|
| Subjects, No. | 297 | 70 | 227 |
| Age, yrs | 54.1 ± 11.6 | 58.9 ± 10.2 | 52.6 ± 11.7* |
| (23–80) | (36–80) | (23–80) | |
| BMI, kg/m 2 | 31.3 ± 6.2 | 32.8 ± 7.1 | 30.8 ± 5.9 |
| (19.1–50.8) | (19.1–50.8) | (19.5–49.9) | |
| AHI, n/h | 35.5 ± 25.6 | 34.1 ± 29.3 | 35.9 ± 24.4 |
| (0–118) | (0–118) | (0–97) | |
| Normal, No. (%) | 25 (8.4) | 10 (14.3) | 15 (6.6) |
| Mild, No. (%) | 63 (21.2) | 17 (24.3) | 46 (20.3) |
| Moderate, No. (%) | 61 (20.5) | 12 (17.1) | 49 (21.6) |
| Severe, No. (%) | 148 (49.8) | 31 (44.3) | 117 (51.5) |
| TSat 90, % | 16.6 ± 21.3 | 19.4 ± 25.2 | 15.8 ± 19.9 |
| (0–90) | (0–81.8) | (0–90) | |
| ESS score | 9.5 ± 5.2 | 9.3 ± 5.6 | 9.5 ± 5.1 |
| (0–24) | (0–22) | (0–24) |
Data are presented as mean ± SD (range). BMI, body mass index; AHI, Apnea hypopnea index; TSat90, percent night-time at less than 90 % oxygen saturation; ESS, Epworth Sleepiness Scale.
*p < 0.0001 vs Female.