Table 4.
Analyses of 10 min segments in quiet sleep: additional pattern segmentation (without decelerations: w/o DC; basic activity, neither DC nor AC: basic), linear and quadratic regression models, coefficients of determination R2, parameters according to Table 2, R2 > 0.3 in bold.
| Predictor | R2 | |
|---|---|---|
| Linear | Quadratic | |
| Time domain | ||
| AMP | n.s. | n.s. |
| Skewness | 0.316 | 0.320 |
| skewness w/o DC | 0.123 | 0.127 |
| skewness basic | 0.032 | 0.038 |
| pNN5 | 0.320 | 0.338 |
| pNN5 w/o DC | 0.396 | 0.451 |
| pNN5 basic | 0.374 | 0.428 |
| Power spectra | ||
| lnVLF/LF | 0.147 | 0.159 |
| lnVLF/LF w/o DC | 0.192 | 0.201 |
| lnVLF/LF basic | 0.195 | 0.206 |
| Complexity | ||
| gMSE3 | 0.542 | 0.565 |
| gMSE3 w/o DC | 0.609 | 0.627 |
| gMSE3 basic | 0.632 | 0.657 |
| Multivariate model, fABAS indices | ||
| [Skewness, gMSE3, pNN5] | 0.626 | 0.641 |
| Multivariate model, pattern segmented | ||
| [Skewness, gMSE3, gMSE3w/oDC, gMSE3basic] | 0.706 | 0.714 |