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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Ann Thorac Surg. 2017 Jun 1;104(4):1325–1331. doi: 10.1016/j.athoracsur.2017.02.082

Table 3.

Grade of Atheroma and Mortality: Cox Proportional Hazard Regression Model of the complete dataset

ASCENDING AORTA (N=18,515) DESCENDING AORTA (N= 18,905)
VARIABLE Categories Hazard Ratio (95% CI) P-value Hazard Ratio (95% CI) P-value
GRADE None Reference
Mild 1.18 (1.11 to 1.26) <.001 1.27 (1.17 to 1.38) <.001
Moderate 1.46 (1.34 to 1.59) <.001 1.67 (1.53 to 1.83) <.001
Severe 1.89 (1.65 to 2.16) <.001 2.20 (1.99 to 2.44) <.001
MALE SEX 0.96 (0.90 to 1.01) 0.117 0.97 (0.91 to 1.02) 0.24

Model stratified by year of operation, age, left and right ventricular function, and surgical type.