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Table 5 SCWT assessment in patients with severe ICA stenosis and normal controls

From: Influence of collateral circulation on cerebral blood flow and frontal lobe cognitive function in patients with severe internal carotid artery stenosis

SCWT parameters AcoA group PcoA group OA group Controls H P value
Response time (ms)
 SCWT A 30.00 (21.50,36.50) 29.00 (20.00,37.50) 28.00 (21.75,34.00) 28.00 (18.50,33.00) 2.209 0.566
 SCWT B 49.00 (41.00,61.50) 49.00 (42.25,52.75) 47.50 (42.00,54.25) 46.00 (38.50,52.50) 4.842 0.184
 SCWT C 104.00 (94.50,117.50) 96.00 (82.50,106.50) 92.50 (86.75,102.75) 82.00 (70.00,91.00) 65.925 < 0.0001**
 Response time for SIE 55.00 (48.00,63.00) 52.00 (32.00,57.00) 43.50 (37.75,52.25) 36.00 (27.50,41.00) 70.771 < 0.0001**
Accuracy rate (%)
 SCWT A 98.00 (92.50,100.00) 99.00 (96.25,99.75) 97.00 (95.25,99.75) 98.00 (96.00,99.50) 1.134 0.726
 SCWT B 85.00 (79.00,96.50) 90.00 (85.00,97.75) 83.50 (78.75,98.25) 89.00 (86.00,95.00) 4.924 0.177
 SCWT C 81.00 (75.50,90.00) 81.00 (75.25,90.75) 78.50 (69.75,86.00) 85.00 (80.00,90.00) 11.579 0.009*
 Accuracy rate for SIE 4.00 (2.50,6.00) 7.00 (5.25,11.75) 9.00 (5.50,11.75) 4.00 (2.00,5.00) 35.621 < 0.0001**
  1. SIE, Stroop interference effects; H and P value, by non-parametric Kruscal-Wallis tests within the four groups
  2. *P < 0.01, **P < 0.001 indicate statistically significant differences