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Fig. 1 | Cardiovascular Diabetology

Fig. 1

From: Increased risk of cardiovascular mortality by strict glycemic control (pre-procedural HbA1c < 6.5%) in Japanese medically-treated diabetic patients following percutaneous coronary intervention: a 10-year follow-up study

Fig. 1

Cumulative cardiovascular mortality rates among groups stratified by preprocedural HbA1c. a Kaplan–Meier curves of 2 diabetic patient groups with or without preprocedural HbA1c below 7.0%. No significant difference in the cumulative incidence of cardiovascular death in diabetic patients binarized by HbA1c 7.0%; HbA1c > 7.0% group vs. HbA1c ≤ 7.0% group (Log-rank comparison, P = 0.41). Percent indicates the cumulative incidence of CV death at 10 years of follow-up in each group. b Kaplan–Meier curves of 5 groups stratified by preprocedural levels of HbA1c. Participants were divided into 5 groups according to their HbA1c values; < 6.5% (n = 267), 6.5–7.0% (n = 268), 7.0–7.5% (n = 262), 7.5–8.5% (n = 287), and ≥ 8.5% (n = 244). The lowest cumulative incidence of cardiovascular death was in the HbA1c 7.0–7.5% group, which was significantly lower than that in the HbA1c < 6.5% group. Percent indicates the cumulative incidence of CV death at 10 years of follow-up in each group. * indicates P < 0.05 by log-rank comparison vs. 7.0% ≤ HbA1c < 7.5%. CV death cardiovascular death, HbA1c glycated hemoglobin, PCI percutaneous coronary intervention

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