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Table 3: 
Difference in signal intensity at the distal segment of symptomatic CCAO at different stages
Hyperintensity(n = 9)Isointensity (n = 14)Hypointensity (n = 0)Heterogeneous Intensity (n = 12)P Value
<7 days (No.) (%)2 (22.2)1 (7.1)0 (0.0)2 (16.7).29
7–30 days (No.) (%)2 (22.2)6 (42.9)0 (0.0)8 (67.7)
30–90 days (No.) (%)4 (44.4)4 (28.6)0 (0.0)2 (16.7)
≥90 days (No.) (%)1 (11.1)3 (21.4)0 (0.0)0 (0.0)