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Table 6 Contingency table comparing MIP with MIP + source data for assessable segments below the knee demonstrating a small but significant difference in proportions

From: Impact of source data on the interpretation of contrast-enhanced magnetic resonance angiography of the lower limbs

  MIP and source data   Total
MIP Assessable NSVC  
Assessable 534 0 534
NSVC 8 34 42
Total 542 34 576
Difference of proportions (95% confidence intervals) -0.014 (-0.014 to -0.004)
Two-tailed p (McNemar) 0.008