Abstract
BACKGROUND: It remains uncertain whether a novel composite indicator, the high sensitivity C-reactive protein (CRP) (hsCRP)-to-body mass index (BMI) ratio (CBR), is associated with unfavourable events in subjects who have undergone drug-eluting stent (DES) implantation. Therefore, we conducted a prospective cohort study to evaluate the associations between the CBR and adverse outcome occurrences. METHODS: From January 2013 to December 2013, a total of 9810 subjects who underwent DES implantation were enrolled in the study. The participants were divided into three groups on the basis of the CBR. We defined the primary endpoint as the occurrence of major adverse cardiovascular and cerebrovascular events (MACCEs), and the secondary endpoints included the occurrence of all-cause death, myocardial infarction(MI), stroke or target vessel revascularization (TVR). Kaplan‒Meier (K‒M) analysis and Cox regression analysis were performed to assess the discrepancy in the risk of adverse outcomes between the different CBR groups. RESULTS: Over an average follow-up period of 26.7 months, 1022 MACCEs were recorded, which included 122 deaths, 392 MIs, 156 strokes and 461 instances of TVR. The results from the K‒M analysis suggested that the rates of MACCEs and MI increased with increasing tertiles of the CBR. Furthermore, Cox regression analysis demonstrated that there were significant associations between a high CBR and increased MACCE and MI risk. CONCLUSION: In subjects who underwent DES implantation, a higher CBR was significantly related to increased long-term MACCE and MI risk.