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| Category | Intra-stent thrombosis group (n=27) | Control group (n=860) | χ2 value | P value |
|---|---|---|---|---|
| Recurrent myocardial infarction, n (%) | 9 (33.33) | 28 (3.26) | 59.245 | 0.000 |
| Mortality, n (%) | 4 (14.81) | 8 (0.93) | 37.815 | 0.000 |
