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Comparison of cardiovascular outcomes between the two groups of patients (n, %).
| Index | Control group (n = 35) | Observation group (n = 35) | χ 2 value | P value |
|---|---|---|---|---|
| Cardiac death | 2 (5.71) | 0 (0.00) | 2.059 | 0.151 |
| Recurrent myocardial infarction | 3 (8.57) | 1 (2.86) | 1.061 | 0.303 |
| Severe arrhythmia | 8 (22.56) | 2 (5.71) | 4.200 | 0.040 |
| Heart failure | 6 (17.14) | 1 (2.86) | 3.968 | 0.046 |
| Other cardiovascular adverse events | 4 (11.43) | 3 (8.57) | 0.159 | 0.690 |
