Table 2 Comparison of brain MRI findings between patients with central retinal artery occlusion (CRAO) and patients with branch retinal artery occlusion (BRAO).

From: Cerebral magnetic resonance imaging of coincidental infarction and small vessel disease in retinal artery occlusion

 

Total

CRAO versus BRAO

RAO (n = 272)

CRAO (n = 190)

BRAO (n = 82)

P value

Diffusion weighted image, n (%)

244 (89%)

174 (92%)

70 (85%)

 

 Co-incident cerebral infarction, n (%)

49 (18%)

37 (19%)

12 (15%)

0.467

Cerebral small vessel disease

198 (73%)

142 (75%)

56 (68%)

0.273

 White matter hyperintensity, n (%)

188 (69%)

136 (72%)

52 (63%)

0.181

  Grade 1

128 (47%)

96 (51%)

32 (39%)

0.614*

  Grade 2

49 (18%)

32 (17%)

17 (21%)

  Grade 3

11 (4%)

8 (4%)

3 (4%)

 Cerebral microbleeds, n (%)

38 (14%)

28 (15%)

10 (12%)

0.582

 Silent lacunar infarct, n (%)

82 (30%)

59 (31%)

23 (28%)

0.620

MRA—ICA involvement

138 (51%)

96 (51%)

42 (51%)

0.916

 Mild stenosis

77 (28%)

52 (27%)

25 (30%)

0.838a

 Moderate to severe stenosis

61 (22%)

44 (23%)

17 (21%)

  1. Data are presented as number (%). P < 0.05 was deemed to indicate clinical significance, values in boldface are statistically significant.
  2. MRI = magnetic resonance imaging, MRA = magnetic resonance angiography, ICA = internal carotid artery.
  3. aLinear-by-linear association.
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