Table 5.
Univariate analysis of oculomotor signals predicting abnormal brain MRI. The “factor score” was calculated via principal component analysis of significantly predictive tests (n = 103).
| Oculomotor Signals | Univariate OR (95% CI) |
p-Value | Factor Score |
|---|---|---|---|
| Saccade | |||
| Horizontal | |||
| No | 1 | ||
| Yes | 1.85 (0.71–4.83) | 0.206 | |
| Vertical | |||
| No | 1 | ||
| Yes | 3.58 (1.29–9.98) | * 0.015 | 0.4981 |
| Pursuit | |||
| Horizontal | |||
| No | 1 | ||
| Yes | 3.39 (1.26–9.09) | * 0.016 | 0.5120 |
| Vertical | |||
| No | 1 | ||
| Yes | 2.25 (0.84–6.03) | 0.106 | |
| Gaze | |||
| Horizontal | |||
| No | 1 | ||
| Yes | 3.06 (1.19–7.85) | * 0.020 | 0.5228 |
| Vertical | |||
| No | 1 | ||
| Yes | 4.72 (1.72–12.99) | * 0.003 | 0.4653 |
| OPK | |||
| No | 1 | ||
| Yes | 1.22 (0.44–3.36) | 0.707 | |
| OKAN | |||
| No | 1 | ||
| Yes | 2.32 (0.83–6.48) | 0.108 |
* p < 0.05. “no”: no signal was labeled by both raters; “yes”: signal was labeled by either rater. Abbreviations: OKAN, optokinetic afternystagmus; OPK, optokinetic nystagmus; OR, odds ratio.