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Statistical difference in the physiological index of the cases.
| Cases | Index | Difference in mean value |
|---|---|---|
| AM-ZM | LF/HF | 0.14* |
| GP-AM | Blink count | 0.97* |
| BM-DT | Total fixation | 0.47* |
| AM-DT | Total fixation | 0.47* |
| ZM-DT | Total fixation | 0.46* |
Statistical difference: *P ≤ 0.05.
Comparison of the mean value of LF/HF, blink number, and total fixation for the five cases.
