Table 4.
Summary of the Repeated Measures Analysis of Variance (ANOVA) Showing Statically Significant Results
| Variables | Factor | F value | df | Huynh-Feldt epsilon | p value |
|---|---|---|---|---|---|
| Breath rate (cpm) | Sessions | 15.32 | 2.96, 94.67 | 0.986 | 0.001 |
| States | 4.12 | 3.80, 121.45 | 0.759 | 0.01 | |
| Sessions×states | 5.75 | 4.85, 155.17 | 0.323 | 0.001 | |
| Heart rate (bpm) | Sessions | 4.05 | 2.79, 89.25 | 0.930 | 0.05 |
| States | 8.54 | 3.15, 100.94 | 0.63 | 0.001 | |
| Sessions×states | 5.16 | 10.28, 328.96 | 0.685 | 0.001 | |
| Photo-plethysmogram amplitude (μV) | States | 4.22 | 2.14, 68.34 | 0.427 | 0.05 |
| Skin resistance (kΩ) | States | 18.56 | 2.68, 85.67 | 0.535 | 0.001 |
| Low frequency (LF) power (Hz) | Sessions | 11.39 | 2.93, 85.05 | 0.978 | 0.001 |
| States | 2.52 | 4.48, 129.82 | 0.895 | 0.05 | |
| Sessions×states | 5.73 | 13.47, 390.69 | 0.898 | 0.001 | |
| High frequency (HF) power (Hz) | Sessions | 8.03 | 2.73,79.02 | 0.908 | 0.001 |
| Sessions×states | 3.79 | 4.26, 123.56 | 0.284 | 0.01 | |
| LF/HF ratio | Sessions | 3.33 | 2.64, 76.50 | 0.879 | 0.05 |
| Sessions×states | 3.25 | 4.63, 134.27 | 0.309 | 0.05 | |
| Mean RR (ms) | States | 2.74 | 3.48, 100.82 | 0.319 | 0.05 |
| RMSSD (ms) | Sessions | 4.53 | 2.85, 82.63 | 0.95 | 0.01 |
| States | 3.18 | 4.7, 136.41 | 0.941 | 0.05 | |
| NN50 count | States | 3.52 | 4.47, 129.47 | 0.893 | 0.01 |
| pNN50 (%) | Sessions | 3.50 | 2.62, 75.96 | 0.873 | 0.05 |
| States | 4.64 | 4.14, 119.91 | 0.827 | 0.01 | |
| Sessions×states | 2.07 | 9.26, 268.51 | 0.617 | 0.05 |
Mean RR, the average of time intervals between consecutive R-waves; RMSSD, the square root of the mean of the sum of the squares of differences between adjacent NN intervals; NN50, number of pairs of adjacent NN intervals differing by more than 50 ms in the entire recording; pNN50, NN50 count divided by the total number of all NN intervals; cpm, cycles per minute; bpm, beats per minute.