Table 3

Hazards ratios and relative risks for the association between statins and health service utilization/mortality in 4232 Nova Scotia seniors discharged from hospital with unstable angina or myocardial infarction

Outcome

Impact of Statins on rate of events modeled using Cox Proportional Hazards (HR, 95% CI) (Statin versus No Statin)

Impact of Statins on number of events, modeled using Generalized Linear Models (RR, 95% CI) (Statin versus No Statin)

All-cause re-hospitalizations

Modeled without propensity score

0.84 (0.78-0.90)

0.97 (0.90-1.04)

Modeled with propensity score

0.98 (0.91-1.06)

1.04 (0.97-1.12)

CVD re-hospitalizations

Modeled without propensity score

0.98 (0.90-1.07)

0.90 (0.86-1.12)

Modeled with propensity score

1.11 (1.02-1.22)

1.03 (0.92-1.16)

All physician visits

N/A

Modeled without propensity score

0.84 (0.79-0.88)

Modeled with propensity score

0.97 (0.92-1.02)

CVD-related physician visits

N/A

Modeled without propensity score

1.18 (1.09-1.29)

Modeled with propensity score

1.34 (1.23-1.46)

Coronary Revascularizations

N/A

Modeled without propensity score

1.55 (1.30-1.84)

Modeled with propensity score

1.15 (0.97-1.36)

Mortality

N/A

Modeled without propensity score

0.41 (0.35-0.49)

Modeled with propensity score

0.74 (0.63-0.88)

Cooke et al. BMC Health Services Research 2009 9:198   doi:10.1186/1472-6963-9-198