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Table 3 Angina and dyspnoea grading pre- and post-operatively

From: Mid-term outcomes for Endoscopic versus Open Vein Harvest: a case control study

Characteristic Open Harvesting
(n = 105)
Endoscopic Harvesting
(n = 71)
 
CCS grade    
   Pre-op 2.1 ± 1.1 2.2 ± 1.0  
   Post-op 0.2 ± 0.6 0.2 ± 0.7 P = 0.95
  P < 0.0001 P < 0.0001  
NYHA grade    
   Pre-op 1.9 ± 0.8 2.1 ± 0.8  
   Post-op 0.5 ± 0.9 0.9 ± 0.9 P = 0.0013
  P < 0.0001 P < 0.0001