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Table 4 Contingency table comparing MIP with MIP + source data for all lower limb assessable segments 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 MIP and source data Total
Assessable NSVC
Assessable 1133 0 1133
NSVC 14 37 51
Total 1147 37 1184
Difference of proportions (95% confidence intervals) -0.012 (-0.012 to -0.006)
Two-tailed p (McNemar) 0.0001