Table 3.
Hazard ratio of clinical outcomes in each subgroup of reexamination
| No. of events/no. of patients (%) | HR (95% CI) | |
|---|---|---|
| All-cause Death | ||
| STR | 231/5251 (4.4) | 1 (Reference) |
| LTR | 23/1553 (1.5) | 0.37 (0.24–0.58) ** |
| LFR | 134/2391 (5.6) | 1 (Reference) |
| HFR | 120/4413 (2.7) | 0.56 (0.43–0.72) ** |
| Cardiac Death | ||
| STR | 125/5251 (2.4) | 1 (Reference) |
| LTR | 12/1553 (0.8) | 0.37 (0.20–0.67) * |
| LFR | 75/2391 (3.1) | 1 (Reference) |
| HFR | 62/4413 (1.4) | 0.50 (0.35–0.70) ** |
| Unplanned Revascularization | ||
| STR | 478/5251 (9.1) | 1 (Reference) |
| LTR | 244/1553 (15.7) | 1.73 (1.48–2.03) ** |
| LFR | 186/2391 (7.8) | 1 (Reference) |
| HFR | 536/4413 (12.1) | 1.60 (1.35–1.90) ** |
| Re-hospitalization | ||
| STR | 941/5251 (17.9) | 1 (Reference) |
| LTR | 345/1553 (22.2) | 1.23 (1.09–1.40) * |
| LFR | 462/2391 (19.3) | 1 (Reference) |
| HFR | 824/4413 (18.7) | 1.04 (0.93–1.17) |
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
STR short-term reexamination, LTR long-term reexamination, LFR low-frequency reexamination, HFR high-frequency reexamination, HR hazard ratio, CI confidence interval
*P < 0.05 and **P < 0.001