Demographics, National Institutes of Health stroke scale (NIHSS) and stroke characteristics
| PSG at baseline (n=166) | PSG at both time points (n=105) | |
| Male | 72% | 79% |
| BMI kg·m−2 | 27.7±4.9 | 27.0±4.9 |
| Stroke | 88.1% | 92.4% |
| Known arterial hypertension | 55.6% | 58.1% |
| Current smoker | 33.6% | 29.5% |
| Current atrial fibrillation | 11.2% | 9.5% |
| Diabetes mellitus | 14.7% | 12.4% |
| NIHSS at admission | 4.3±5.1 | 4.0±4.5 |
| NIHSS after 24 h | 2.9±3.9 | 2.3±2.9 |
| NIHSS at discharge | 1.7±3.1 | 1.2±2.0 |
| Stroke location | ||
| LACI | 13% | 13% |
| TACI | 13% | 6% |
| PACI | 44% | 52% |
| POCI | 24% | 25% |
| No information | 6 | 4 |
| Infratentorial | 23.7% | 17.1% |
Data are presented as mean±sd unless otherwise stated. PSG: polysomnography; BMI: body mass index; LACI: lacunar infarction; TACI: total anterior circulation infarction; PACI: partial anterior circulation infarction; POCI: posterior circulation infarction.