Table 2.
Polysomnographic variables.
| Variable |
Women without OSA (n = 51) |
Men without OSA (n = 15) |
p-value* (n = 66) |
Women with OSA (n = 39) |
Men with OSA (n = 40) |
p-value* (n = 79) |
|---|---|---|---|---|---|---|
| Total sleep time (minutes) | 447 (422–460) |
454 (433-491) |
0.239 | 434 (393-450) |
422 (377-457) |
0.791 |
| Sleep efficiency (%) | 91.4 (85.9–94.5) |
94.3 (85.7–96.4) |
0.449 | 85.6 (82.7–92.4) |
86.7 (81.0–92.7) |
0.961 |
| Slow wave sleep (%) | 11.6 (5.7-16.3) |
5.6 (2.0–13.9) |
0.076 | 9.1 (3.6–14.2) |
1.9 (0.1–9.9) |
0.0017 |
| REM sleep (%) | 23.5 (20.6–26.2) |
22.5 (17.8–26.7) |
0.245 | 19.9 (16.6–23.5) |
22.2 (17.8–26.3) |
0.109 |
| AHI | 1.1 (0.5–2.3) |
1.9 (1.7–2.6) |
0.0265 | 15.2 (7.3–21.7) |
18.4 (11.8–28.5) |
0.096 |
| REM AHI | 1.9 (0.6–4.1) |
2.8 (1.3–5.3) |
0.229 | 22.3 (5.8–37.2) |
23.8 (14.2–51.4) |
0.281 |
| NREM AHI | 0.7 (0.2–2.2) |
1.4 (0.8–3.0) |
0.0187 | 12.8 (7.4–21.6) |
16.6 (8.6–25.1) |
0.184 |
| MAI | 10.6 (7.4–14.5) |
10.7 (7.3–14.1) |
0.748 | 19.2 (17.0–26.7) |
23.5 (13.4–29.3) |
0.764 |
Data are given as median (interquartile range).
*
p-values are from Wilcoxon test. P-values in bold are statistically significant.
REM, Rapid Eye Movement; AHI, Apnea-Hypopnea Index; NREM, non-Rapid Eye Movement; MAI, Microarousal Index.