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Table 1 Cross-tabulation of the diagnosis of stent compression by gray-scale imaging versus MDCTV

From: Doppler ultrasound and contrast-enhanced ultrasound in detection of stent stenosis after iliac vein stenting

Gray-scale imaging MDCTV Sum
No compression Insignificant Significant
No compression 38 1 0 39
Insignificant 2 74 3 79
Significant 0 2 19 21
Sum 40 77 22 139