Table 3.

The proportion of patients with presumed microvascular ischemia versus other causes of acute isolated ocular motor nerve palsy.

Groups	Subgroups	Presumed Microvascular Cause n=91,83.5% (95% CI 75.4–89.3)	Other Causes n=18,16.5% (95% CI, 10.7–24.6)
Significant past medical history (n=29)	No Prior Imaging (n=10)	8 (8.8%)	2 (11.1%)
	Prior Imaging (n=19)	11 (12.1%)	8 (44.4%)
Vasculopathic risk factors only (n=80)	No Prior Imaging (n=28)	26 (28.6%)	2 (11.1%)
	Prior Imaging (n=52)	46 (50.6%)	6 (33.3%)

n=Number of patients, CI-Confidence interval