Sleep characteristics in patients and controls
| Controls | Diagnostic night | 1 night CPAP | 3 months CPAP | |
|---|---|---|---|---|
| Parameters are displayed as median values with interquartile ranges for each time point in patients and controls. | ||||
| RDI, respiratory disturbance index (number of apnoeas/hypopnoeas per hour); basal oxygen, mean oxygen saturation during sleep; TST, total sleep time within recording time; SWS, slow wave sleep (% of TST); REM, rapid eye movement sleep (% of TST); ESS, Epworth Sleepiness Scale (subjective sleepiness in the last month). | ||||
| RDI | 2.3 (1.7–3.9) | 57.8 (37.9–76.4) | 5.9 (4.0–11.7) | 3.3 (1.3–7.4) |
| Basal oxygen | 94.5 (94.1–96.1) | 88.5 (87.3–95.0) | 93.0 (92.0–96.0) | 96.0 (94.0–96.5) |
| TST (min) | 339.0 (306.0–387.0) | 337.2 (271.9–358.8) | 327.0 (275.5–375.0) | 341.5 (276.5–359.8) |
| SWS (%TST) | 15.6 (13.2–20.4) | 2.6 (0.0–12.6) | 13.9 (6.8–19.3) | 8.8 (6.7–11.4) |
| REM (%TST) | 19.0 (14.5–19.5) | 10.7 (8.3–18.0) | 22.0 (17.5–28.7) | 23.8 (17.4–32.6) |
| ESS | 4 (3–4) | 12 (10–16) | – | 5 (3–7) |