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Table 3 Fitted multivariate Cox model for one-year outcomes/endpoints in the total coronary artery revascularisation cohort from 2000 to 2004

From: Impact of the introduction of drug eluting stents on clinical outcomes in patients undergoing percutaneous and surgical coronary artery revascularisation procedures in Western Australia

Variable Adjusted hazard ratios (95% CI)
  Death Death/MI TVR MACE
Year of procedure:*2000 1.0 1.0 1.0 1.0
        2001 0.95 (0.72, 1.27) 0.90 (0.72, 1.13) 0.95 (0.78, 1.16) 0.91 (0.78, 1.07)
        2002 1.03 (0.79, 1.36) 0.96 (0.77, 1.20) 0.72 (0.58, 0.89) 0.83 (0.70, 0.97)
        2003 0.87 (0.66, 1.15) 0.80 (0.64, 1.00) 0.55 (0.44, 0.69) 0.64 (0.54, 0.75)
        2004 1.19 (0.92, 1.55) 1.05 (0.85, 1.29) 0.54 (0.43, 0.67) 0.74 (0.63, 0.87)
Age at index admission 1.06 (1.05, 1.07) 1.04 (1.03, 1.05) 1.00 (1.00, 1.01) 1.02 (1.01, 1.02)
Gender (male) * 0.90 (0.75, 1.09) 0.92 (0.79, 1.08) 0.92 (0.78, 1.08) 0.91 (0.81, 1.03)
Charlson score at index admission 1.31 (1.27, 1.34) 1.28 (1.25, 1.31) 1.06 (1.02, 1.10) 1.19 (1.17, 1.22)
Index principal diagnosis (MI) * 1.24 (1.01, 1.52) 1.13 (0.96, 1.34) 0.83 (0.69, 1.00) 1.00 (0.88, 1.14)
Index admission type (emergency) * 2.04 (1.65, 2.52) 1.88 (1.58, 2.23) 1.18 (1.00, 1.40) 1.45 (1.28, 1.65)
Index hospital type (public) * 1.17 (0.96, 1.43) 1.25 (1.06, 1.47) 0.82 (0.71, 0.96) 0.99 (0.89, 1.11)
Number of vessels treated (multivessel disease) * 1.35 (1.09, 1.66) 1.24 (1.04, 1.47) 1.47 (1.24, 1.76) 1.35 (1.18, 1.54)
CARP type (PCI) * 0.75 (0.60, 0.94) 1.18 (0.97, 1.43) 8.15 (6.05, 10.97) 2.37 (2.03, 2.78)
  1. 95% CI 95% confidence interval, MI myocardial infarction, TVR target vessel revascularisation, MACE major adverse cardiac events (death/MI/TVR), CARP coronary artery revascularisation procedure, PCI percutaneous coronary intervention.
  2. * Baseline levels are year 2000, female, no MI as principal discharge diagnosis in index admission, booked index admission, index admission in a private hospital, single vessel disease and bypass surgery (CABG).
  3. Age (years) and Charlson score are continuous variables.