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Table 2 Cross-tabulation of the diagnosis of ISR by DUS versus MDCTV

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

DUS MDCTV Sum
Any degree of ISR No ISR
Any degree of ISR 41 9 50
No ISR 24 65 89
Sum 65 74 139