Table 4.
Correlation between sleep and cognitive dysfunctions at day 14 (Spearman r).
| MMSE | MoCA | Short-delay memory | Long-delay memory | |
|---|---|---|---|---|
| SL (min) | −0.1330 | −0.1538 | −0.0602 | −0.0602 |
| SE (%) | 0.2789 | 0.2015 | 0.2150 | 0.0847 |
| N1 (%) | −0.3429 | −0.5768** | −0.3261 | −0.3940* |
| N2 (%) | 0.4195* | 0.5291** | 0.3380 | 0.1489 |
| N3 (%) | 0.3488 | 0.4161* | 0.3095 | 0.3487 |
| RDI | −0.4555* | −0.4393* | −0.4636* | −0.5001** |
| PSQI | −0.1392 | −0.0763 | −0.2559 | −0.4141 |
| ESS | −0.2172 | −0.1037 | −0.1989 | −0.1989* |
SE, sleep efficiency; SL, latency to sleep onset; RDI, respiratory disturbance index; ESS, Epworth sleepiness scale; PSQI, Pittsburgh sleep quality index; MMSE, mini-mental state examination; MoCA, Montreal cognitive assessment; AVLT, auditory verbal learning test.
* P < 0.05; ** P < 0.01.