Table 2.
Hazard ratio of clinical outcomes between the reexamination group and the non-reexamination group
| No. of events/no. of patients (%) | HR (95% CI) | ||||
|---|---|---|---|---|---|
| Model 1 | Model 2 | Model 3 | Model 4 | ||
| All-cause Death | |||||
| NRE | 180/2730 (6.6) | 1 (Reference) | 1 (Reference) | 1 (Reference) | 1 (Reference) |
| RE | 254/6804 (3.7) | 0.55 (0.45–0.66)** | 0.60 (0.50–0.73)** | 0.61 (0.50–0.75) ** | 0.63 (0.52–0.77)** |
| Cardiac Death | |||||
| NRE | 109/2730 (4.0) | 1 (Reference) | 1 (Reference) | 1 (Reference) | 1 (Reference) |
| RE | 137/6804 (2.0) | 0.49 (0.38–0.63)** | 0.53 (0.41–0.68)** | 0.57 (0.44–0.75) ** | 0.58 (0.44–0.75) ** |
| Non-fatal MI | |||||
| NRE | 43/2730 (1.6) | 1 (Reference) | 1 (Reference) | 1 (Reference) | 1 (Reference) |
| RE | 133/6804 (2.0) | 1.23 (0.87–1.74) | 1.27 (0.90–1.79) | 1.37(0.95–1.82) | 1.36 (0.95–1.96) |
| Unplanned Revascularization | |||||
| NRE | 101/2730 (3.7) | 1 (Reference) | 1 (Reference) | 1 (Reference) | 1 (Reference) |
| RE | 722/6804 (10.6) | 2.98 (2.42–3.66)** | 2.94 (2.39–3.62)** | 2.80 (2.26–3.47)** | 2.79 (2.26–3.45) ** |
| Re-hospitalization | |||||
| NRE | 401/2730 (14.7) | 1 (Reference) | 1 (Reference) | 1 (Reference) | 1 (Reference) |
| RE | 1286/6804 (18.9) | 1.31 (1.17–1.47)** | 1.36 (1.21–1.52)** | 1.35 (1.20–1.53)** | 1.35 (1.20–1.52) ** |
Model 1: Unadjusted
Model 2: Adjusted for age: sex
Model 3: Adjusted for age: sex: body mass index: diagnosis on admission: current smoker: hypertension: hyperlipidemia: diabetes: previous MI: previous percutaneous coronary intervention: chronic kidney disease: previous stroke: urban: educational attainment: economic status: family history of coronary heart disease: medications history: and medications at discharge
Model 4: Adjusted for all covariates (age: sex: body mass index: current smoker: urban: educational attainment: economic status: diagnosis on admission: hypertension: hyperlipidemia: diabetes mellitus: previous MI: family history of coronary heart disease: previous percutaneous coronary intervention: previous coronary artery bypass grafting: previous stroke: previous heart failure: chronic kidney disease: laboratory test: medications history: and medications at discharge) associated at the P ≤ 0.10 level with clinical outcomes in unadjusted analyses
RE reexamination, NRE non-reexamination, MI myocardial infarction, HR hazard ratio, CI confidence interval
*P < 0.05 and **P < 0.001