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Table 4 Subgroup analysis according to the stroke lesion location

From: Association between post-procedural hyperoxia and poor functional outcome after mechanical thrombectomy for ischemic stroke: an observational study

Lesion location pO2 ≤ 120 mmHg N = 207 pO2 > 120 mmHg N = 115 Significance level (p value)
A1a 10 (4.7) 7 (5.9) 0.63
M1b 125 (58.4) 49 (41.2) < 0.01
ICAc 22 (10.3) 17 (14.3) 0.28
ICA + M1 (tandem lesions) 50 (23.4) 42 (35.3) 0.02
  1. This table value of qualitative variables expressed as n (%)
  2. aAnterior cerebral artery. A1 segment
  3. bMiddle cerebral artery. M1 segment
  4. cInternal carotid artery