Table 4

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

	Acute interventions			Discharge interventions
	Intravenous rt-PA <2 hours	Early antithrombotics	DVT prophylaxis	Antithrombotics	Anticoagulation for AF	Lipid-lowering drug for LDL≥100 mg/dL	Antihypertensive medication	Antidiabetic medication	Smoking cessation	Composite score
Acute interventions
Intravenous rt-PA <2 hours	1.00
Early antithrombotics	0.01	1.00
DVT prophylaxis	0.08	0.23	1.00
Discharge interventions
Antithrombotics	0.01	0.34*	0.03	1.00
Anticoagulation for AF	−0.01	0.04	0.19	0.16	1.00
LDL 100	0.08	0.13	0.07	0.44*	0.26*	1.00
Antihypertensive medication	−0.02	0.08	−0.09	0.59*	0.12	0.27*	1.00
Antidiabetic medication	0.04	0.10	0.07	0.66*	0.17	0.31*	0.64*	1.00
Smoking cessation	−0.01	0.34*	0.01	0.34*	0.25*	0.13	0.21	0.26*	1.00
Composite score	0.05	0.48*	0.24	0.79*	0.32*	0.69*	0.60*	0.62*	0.47*	1.00
Risk-standardised 30-day mortality rate	−0.16	−0.02	−0.06	−0.16	0.04	−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.