Response by Hwang et al to Letter Regarding Article, “Glycemic Control Status After Percutaneous Coronary Intervention and Long-Term Clinical Outcomes in Patients With Type 2 Diabetes Mellitus”
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We thank Dr Garcia-Moll for his interest in our article.1 We have demonstrated that glycosylated hemoglobin A (HbA1c) <7.0 measured at 2 years after percutaneous coronary intervention was associated with a lower risk of major adverse cardiac and cerebrovascular events mainly because of reduction in repeat revascularization. As Dr Garcia-Moll mentioned, more prevalent insulin treatment may explain a higher risk of repeat revascularization in the HbA1c ≥7.0 group compared with the HbA1c <7.0 group. Therefore, we included insulin treatment at 24 months in our Cox regression model. HbA1c <7.0 measured at 2 years was still …