Table 2.
Oculomotor characteristics in HCs, ET, and de novo PD patients.
| Items | HC | ET | PD | p-value | ||
|---|---|---|---|---|---|---|
| Group A | Group B | Group C | A vs. B | A vs. C | B vs. C | |
| Number, n | 46 | 75 | 75 | |||
| Saccadic latency, ms | 191.3 ± 18.9 | 209.1 ± 34.9 | 210.4 ± 41.3 | 0.007 ** | 0.004 ** | 0.820 |
| Saccadic accuracy, 0–100% | 92.2 ± 6.1 | 89.2 ± 6.7 | 88.4 ± 6.8 | 0.019 * | 0.003 ** | 0.456 |
| SPEM gain 0.1 Hz, 0–1 | 0.74 ± 0.14 | 0.69 ± 0.17 | 0.68 ± 0.15 | 0.055 | 0.034 * | 0.812 |
| SPEM gain 0.2 Hz, 0–1 | 0.79 ± 0.16 | 0.74 ± 0.17 | 0.72 ± 0.16 | 0.06 | 0.009 ** | 0.406 |
| SPEM gain 0.4 Hz, 0–1 | 0.78 ± 0.19 | 0.69 ± 0.19 | 0.67 ± 0.19 | 0.014 * | 0.004 ** | 0.614 |
HC, healthy control; ET, essential tremor; PD, Parkinson’s disease; SPEM, smooth pursuit eye movements.
Values were presented as mean ± SD.
Statistically significant p values were shown in bold.
*p < 0.05; **p < 0.01.