Table 4.
Comparison of nonlinear HRV features during holidays and during university examination
| Meas. | Mean | SD | Med. | 25th | 75th | p-value |
|---|---|---|---|---|---|---|
| SD1 | 0.0001 | 0.0148 | -0.0016 | -0.0088 | 0.0116 | 0.79 |
| SD2 | -0.0298 | 0.0269 | -0.0272 | -0.0493 | -0.0162 | <0.01 |
| D2 | -1.1791 | 1.4455 | -0.9694 | -2.7376 | -0.1371 | <0.01 |
| En(0.2) | -0.1056 | 0.2321 | -0.1272 | -0.2517 | 0.0448 | <0.01 |
| En(rmax) | -0.0360 | 0.1629 | -0.0758 | -0.1441 | 0.0865 | 0.11 |
| En(rchon) | -0.1294 | 0.2315 | -0.1385 | -0.2623 | 0.0069 | <0.01 |
| α1 | -0.3594 | 0.4525 | -0.3774 | -0.7115 | 0.0431 | <0.01 |
| α2 | -0.0220 | 0.2250 | -0.0224 | -0.1828 | 0.0999 | 0.49 |
| lmax | -73.3 | 168.5 | -93.5 | -171.0 | 39.0 | <0.01 |
| lmean | 3.7916 | 7.6832 | 3.0725 | -0.7296 | 5.7562 | <0.01 |
| REC | 8.78 | 14.30 | 8.93 | -1.26 | 17.28 | <0.01 |
| DET | 0.14 | 1.50 | 0.47 | -0.73 | 0.84 | 0.29 |
| ShEn | 0.2505 | 0.4907 | 0.3008 | -0.0737 | 0.4896 | <0.01 |