Table 2 Sample entropy comparison between preoperative patients, postoperative patients and healthy control.
| Â | Â | a. Preoperative versus control | b. Postoperative versus control | c. Preoperative versus postoperative | Â |
|---|---|---|---|---|---|
VOR × 1 near (1m distance, on the wall) | Yaw | *  − 0.0147 | ***  − 0.000799 | ns  − 0.0147 | Continuous |
Pitch | **  − 0.00830 | *  − 0.0178 | ns  − 0.484 | ||
VOR × 1 near (~ 1m distance, handheld) | Yaw | **  − 0.00948 | **  − 0.00173 | ns  − 0.717 | |
Pitch | ns  − 0.161 | ns  − 0.0520 | ns  + 0.848 | ||
VOR × 1 far (2m distance, on the wall) | Yaw | ns  − 0.180 | ns  − 0.334 | ns  − 0.443 | |
Pitch | *  − 0.0128 | ns  − 0.0641 | ns  − 0.259 | ||
Visual target (1m distance) | Yaw | ns  − 0.933 | ns  − 0.492 | ns  + 0.629 | Transient |
Pitch | ns  − 0.0576 | *  − 0.0197 | ns  + 0.540 | ||
Imaginary target (1m distance) | Yaw | ns  − 0.601 | ns  − 0.370 | ns  + 0.565 | |
Pitch | ns  − 0.810 | ns  − 0.484 | ns  + 0.709 | ||
Gaze shift (1m distance) | Yaw | ns  − 0.825 | ns  − 0.646 | ns  + 0.811 | |
Pitch | ns  + 0.654 | ns  − 0.648 | ns  + 0.436 |
