Table 4

Correlation coefficients for performance measures and hospital RSM rates (30-day and 1-year)

Acute interventionsDischarge interventions
Intravenous rt-PA <2 hoursEarly antithromboticsDVT prophylaxisAntithromboticsAnticoagulation for AFLipid-lowering drug for LDL≥100 mg/dLAntihypertensive medicationAntidiabetic medicationSmoking cessationComposite score
Acute interventions
 Intravenous rt-PA <2 hours1.00
 Early antithrombotics0.011.00
 DVT prophylaxis0.080.231.00
Discharge interventions
 Antithrombotics0.010.34*0.031.00
 Anticoagulation for AF−0.010.040.190.161.00
 LDL 1000.080.130.070.44*0.26*1.00
 Antihypertensive medication−0.020.08−0.090.59*0.120.27*1.00
 Antidiabetic medication0.040.100.070.66*0.170.31*0.64*1.00
 Smoking cessation−0.010.34*0.010.34*0.25*0.130.210.26*1.00
 Composite score0.050.48*0.240.79*0.32*0.69*0.60*0.62*0.47*1.00
Risk-standardised 30-day mortality rate−0.16−0.02−0.06−0.160.04−0.09−0.17−0.22−0.04−0.16
Risk-standardised 1-year mortality rate−0.12−0.03−0.11−0.32*−0.07−0.22−0.30*−0.31*−0.02−0.32*
  • *P<0.001.

  • AF, atrial fibrillation; DVT, deep vein thrombosis; LDL, low-density lipoprotein; RSM, risk-standardised mortality; rt-PA, recombinant tissue-type plasminogen activator.