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Table 2 Coronary categories as determined by CT and the events of abandoned surgery for the reason of significant CAD

From: Usefulness of preoperative coronary computed tomography angiography in high risk non-cardiovascular surgery old patients with unknown or suspected coronary artery disease

 

Frequency (n, %)

Event (n, %)

p value

Maximal stenosis of any coronary artery

 Non-significant CAD

  No-CAD

485 (57.7%)

0 (0)

 

  1–49%

192 (22.8%)

0 (0)

 

 Significant CAD

  

0.008

  50–69%

78 (9.3%)

30 (38.5%)

 

  ≥ 70%

86 (10.2%)

52 (60.5%)

 

Number of obstructive major coronary artery

 Maximal stenosis < 50%

677 (80.5%)

0 (0)

 

 1-vessel disease

103 (12.2%)

46 (44.7%)

0.068†

 2-vessel disease

45 (5.4%)

24 (53.3)

 

 3-vessel disease

16 (1.9%)

12 (75.0%)

 

 Multi-vessel disease

61 (7.3%)

36 (59.0%)

0.106‡

  1. CAD coronary artery disease
  2. †Event compared among 1, 2 and 3-vessel disease
  3. ‡Event compared between 1-vessel disease