Table 3

Cox regression analysis showing unadjusted and adjusted HRs of clinical endpoints for 30-day, 1-year and 5-year time periods

Clinical eventTime from admissionInfarct vessel*UnadjustedComorbidity adjustmentExpanded adjustment
HR (95% CI)P valuesHR (95% CI)P valuesHR (95% CI)P values
Mortality30 daysLAD1.64 (1.44 to 1.88)<0.0011.89 (1.64 to 2.17)<0.0012.04 (1.78 to 2.35)<0.001
LCx1.19 (0.98 to 1.46)NS1.46 (1.20 to 1.79)<0.0011.47 (1.20 to 1.80)<0.001
1 yearLAD1.52 (1.37 to 1.69)<0.0011.72 (1.54 to 1.91)<0.0011.85 (1.66 to 2.06)<0.001
LCx1.15 (0.98 to 1.34)NS1.37 (1.18 to 1.61)<0.0011.38 (1.18 to 1.61)<0.001
5 yearsLAD1.25 (1.16 to 1.34)<0.0011.38 (1.28 to 1.48)<0.0011.46 (1.35 to 1.57)<0.001
LCx1.05 (0.94 to 1.16)NS1.22 (1.10 to 1.36)<0.0011.22 (1.10 to 1.36)<0.001
Reinfarction30 daysLAD1.13 (1.03 to 1.24)<0.051.14 (1.04 to 1.26)<0.011.22 (1.10 to 1.34)<0.001
LCx1.14 (1.00 to 1.31)<0.051.16 (1.01 to 1.33)<0.051.16 (1.01 to 1.32)<0.05
1 yearLAD1.06 (0.98 to 1.15)NS1.08 (1.00 to 1.17)NS1.19 (1.09 to 1.29)<0.001
LCx1.10 (0.99 to 1.23)NS1.12 (1.00 to 1.25)<0.051.12 (1.00 to 1.25)<0.05
5 yearsLAD1.00 (0.94 to 1.07)NS1.02 (0.95 to 1.09)NS1.12 (1.04 to 1.20)<0.01
LCx1.01 (0.92 to 1.11)NS1.02 (0.93 to 1.13)NS1.03 (0.93 to 1.13)NS
Stroke30 daysLAD2.33 (1.47 to 3.69)<0.0012.23 (1.40 to 3.54)<0.012.45 (1.53 to 3.91)<0.001
LCx2.38 (1.33 to 4.25)<0.012.39 (1.34 to 4.29)<0.012.46 (1.37 to 4.41)<0.01
1 yearLAD1.25 (1.01 to 1.55)<0.051.26 (1.02 to 1.56)<0.051.38 (1.11 to 1.72)<0.01
LCx1.40 (1.05 to 1.85)<0.051.47 (1.11 to 1.95)<0.011.50 (1.13 to 1.99)<0.01
5 yearsLAD1.19 (1.04 to 1.36)<0.051.19 (1.04 to 1.36)<0.051.30 (1.13 to 1.49)<0.001
LCx1.16 (0.97 to 1.40)NS1.21 (1.00 to 1.46)<0.051.26 (1.04 to 1.51)<0.05
Bleeding30 daysLAD1.04 (0.75 to 1.44)NS1.03 (0.74 to 1.44)NS1.03 (0.73 to 1.44)NS
LCx1.59 (1.06 to 2.37)<0.051.63 (1.09 to 2.44)<0.051.66 (1.11 to 2.49)<0.05
1 yearLAD1.01 (0.87 to 1.18)NS1.01 (0.87 to 1.18)NS1.05 (0.90 to 1.23)NS
LCx1.03 (0.82 to 1.28)NS1.05 (0.84 to 1.30)NS1.07 (0.86 to 1.33)NS
5 yearsLAD0.95 (0.85 to 1.06)NS0.95 (0.85 to 1.06)NS1.01 (0.90 to 1.13)NS
LCx0.97 (0.83 to 1.14)NS0.99 (0.85 to 1.17)NS1.02 (0.87 to 1.20)NS
Heart failure30 daysLAD3.12 (2.62 to 3.73)<0.0013.20 (2.68 to 3.82)<0.0013.42 (2.85 to 4.09)<0.001
LCx1.62 (1.25 to 2.09)<0.0011.71 (1.32 to 2.21)<0.0011.72 (1.33 to 2.23)<0.001
1 yearLAD2.39 (2.16 to 2.65)<0.0012.50 (2.26 to 2.78)<0.0012.74 (2.47 to 3.04)<0.001
LCx1.38 (1.19 to 1.61)<0.0011.46 (1.26 to 1.70)<0.0011.47 (1.27 to 1.72)<0.001
5 yearsLAD2.04 (1.88 to 2.20)<0.0012.12 (1.96 to 2.29)<0.0012.32 (2.14 to 2.52)<0.001
LCx1.26 (1.12 to 1.42)<0.0011.34 (1.19 to 1.51)<0.0011.36 (1.21 to 1.54)<0.001
  • *HRs shown with RCA as the reference vessel (HR 1.00) and all p values are compared with RCA.

  • LAD, left anterior descending artery; LCx, left circumflex artery; RCA, right coronary artery.