Table 2.
Sleep characteristics at days 14 and 90 after minor thalamic infarction.
| Healthy controls (n = 12) | 14 days post-stroke (n = 27) | 90 days post-stroke (n = 6) | P (14 days vs healthy controls) | P (90 days vs healthy controls) | |
|---|---|---|---|---|---|
| TST (min) | 424.8 ± 17.4 | 382.1 ± 14.7 | 378.8 ± 15.2 | 0.0959 | 0.1345 |
| SL (min) | 9.2 ± 1.9 | 23.1 ± 4.7 | 22.5 ± 6.9 | 0.0336 | 0.0427 |
| SE (%) | 88.7 ± 1.9 | 78.8 ± 2.6 | 83.2 ± 2.7 | 0.0202 | 0.0459 |
| WASO | 21.1 ± 2.4 | 21.4 ± 2.6 | 20.3 ± 2.5 | 0.9482 | 0.8336 |
| N1 (%) | 12.3 ± 1.6 | 25.5 ± 2.4 | 23.3 ± 3.1 | <0.0001 | 0.0002 |
| N2 (%) | 61.1 ± 1.9 | 54.1 ± 1.6 | 59.3 ± 3.2 | <0.0001 | 0.0423 |
| N3 (%) | 10.6 ± 1.9 | 6.3 ± 1.0 | 4.2 ± 2.0 | 0.0332 | 0.0297 |
| REM (%) | 16.0 ± 1.5 | 13.7 ± 1.1 | 13.1 ± 2.1 | 0.2261 | 0.3761 |
| Arousal index | 15.6 ± 1.6 | 12.9 ± 1.2 | 14.9 ± 2.3 | 0.2034 | 0.5321 |
| RDI | 4.3 ± 3.0 | 12.0 ± 2.9 | 4.0 ± 1.6 | 0.0453 | 0.5261 |
| RDI > 5, number (%) | 1 (8.3) | 16 (59.2) | 3 (50.0) | 0.0045 | 0.0833 |
| nadir SpO2 (%) | 89.6 ± 1.1 | 86.8 ± 1.1 | 86.7 ± 1.2 | 0.1614 | 0.2456 |
| PLMI | 2.2 ± 0.9 | 13.7 ± 5.1 | 10.0 ± 4.2 | 0.1678 | 0.3145 |
| PLMI > 5, number (%) | 3 (25) | 11 (40.7) | 3 (50.0) | 0.0824 | 0.3441 |
| PSQI | 1.8 ± 0.8 | 6.6 ± 0.6 | 5.1 ± 1.1 | <0.0001 | <0.0001 |
| ESS | 5.3 ± 0.9 | 8.0 ± 1.1 | 8.2 ± 2.0 | <0.0001 | <0.0001 |
Plus-minus values are mean ± SEM.
TST, total sleep time; SE, sleep efficiency; SL, latency to sleep onset; WASO, wake time after sleep onset; RDI, respiratory disturbance index; nadir SpO2, minimal oxy-hemoglobin saturation; PLMI, periodic leg movement index; REM, rapid eye movement; ESS, Epworth sleepiness scale; PSQI, Pittsburgh sleep quality index.