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Table 5 Follow-up graft patency analysis between group on-pump and off-pump CE

From: The midterm results of coronary endarterectomy in patients with diffuse coronary artery disease

Variable Group on-pump (n = 130) Group off-pump (n = 78) P Value
Early patency rate(1 year) 80.0%(104/130) 76.9%(60/78) 0.599
 Grade A 92.3%(96/104) 91.7%(55/60) 0.884
 Grade B 7.7%(8/104) 8.3%(5/60) 0.988
Midterm patency rate(3 year) 71.5%(93/130) 67.9%(53/78) 0.584
 Grade A 80.6%(75/93) 77.4%(41/53) 0.636
 Grade B 19.4%(18/93) 22.6%(12/53) 0.636
  1. Grade A stands for excellent graft patency, Grade B for graft stenosis of greater than 50%, and Grade O for occlusion