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Table 2 Angiographic characteristics in patients with poor and good collateral

From: Predictor of poor coronary collaterals in chronic kidney disease population with significant coronary artery disease

Mean  ± SD Poor collateral Good collateral P value
Number (%) (n = 122) (n = 80)  
Number of diseased vessels 2.1 ± 0.9 2.6 ± 0.6 <0.001
Significant CAD, n (%)    
1 vessel disease (%) 47 (38.5) 12 (15.0)  
2 vessel disease (%) 41 (33.6) 21 (26.3) <0.001
3 vessel disease (%) 34 (27.9) 47 (58.8)  
Diffuse score of CAD 3.01 ± 1.75 4.03 ± 1.83 <0.001
1 vessel disease 1.25 ± 0.67 1.42 ± 0.66  
2 vessel disease 2.72 ± 0.86 2.84 ± 0.99  
3 vessel disease 4.41 ± 1.43 4.84 ± 1.63  
  1. CAD: coronary artery disease.