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Adverse cardiovascular event incidences [n (%)].
| Group | Control Group (n = 44) |
Observation Group (n = 40) |
χ2 | P |
|---|---|---|---|---|
| Postinfarction angina pectoris | 3 (6.82) | 1 (2.50) | – | – |
| Congestive heart failure | 4 (9.09) | 1 (2.50) | – | – |
| Recurrent myocardial infarction | 3 (6.82) | 1 (2.50) | – | – |
| Cardiac death | 1 (2.27) | 0 | – | – |
| Total incidence of adverse cardiovascular events | 11 (25.00) | 3 (7.50) | 4.620 | 0.032 |
