Table 2.

MRI findings of patients

	All (93)	ONH (12)	SOD (29)	SODplus (52)	P value
Small optic nerves	U: 14.0 (13/93) [7.6–22.7]	U: 16.7 (2/12) [2.0–48.4]	U: 17.2 (5/29) [5.8–35.8]	U: 11.5 (6/52) [4.4–23.4]	0.6
	B: 86.0% (80/93) [77.2–92.3]	B: 83.3 (10/12) [51.6–97.9]	B: 82.8 (24/ 29) [64.2–94.2]	B: 88.5 (46/52) [76.6–95.6]

Values are median (min to max), % (n/total) [95% CI]. B Bilateral; MRI Magnetic resonance imaging; U Unilateral