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Table 2 Distributions of infarction lesions in patients presented with ischemic stroke

From: Relationship between visible branch arteries distal to the stenosis on magnetic resonance angiography and stroke recurrence in patients with severe middle cerebral artery trunk stenosis: a one-year follow up study

  Total (n = 144) Signal intensity distal to MCA stenosis P Value (good vs poor)
   Good Poor  
   Group A (n = 32) Total (n = 112) Group B (n = 53) Group C (n = 59)  
Perforating artery infarctions 68(47.2) 18(56.3) 50(44.6) 25(47.2) 25(42.4) 0.316
Cortical infarctions 78(54.2) 14(43.8) 64(57.1) 32(60.4) 32(54.2) 0.228
Internal border-zone infarctions 80(55.6) 11(34.4)* 69(61.6) 31(58.5) 38(64.4) 0.008
  1. Abbreviations: MCA, middle cerebral artery
  2. All values are expressed as n (%)
  3. *Group A versus group B and group C, p < 0.05