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Table 7 Contingency tables describing the relationship between venous contamination and arterial disease in the pelvis, thigh and calf

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

Region Diseased VC No VC κ* 95% confidence intervals
Calf Yes 19 5 0.57 (0.28-0.87)
No 1 7
Thigh Yes 20 5 0.446 (0.10-0.79)
No 2 5
Pelvis Yes 1 2 0.48 (-0.12-1.0)
No 0 29
All Yes 40 12 0.69 (0.55-0.83)
No 3 41
  1. *Cohen’s Kappa Agreement Co-efficient.
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