Fig. 1.

Flow diagram of study design and outcomes. Cardiovascular deaths were considered as those attributed to an underlying cardiovascular cause (ICD-9: 390–459; ICD-10: I00–I99) or diabetes (ICD-9: 250; ICD-10: E08–E13), whereas the remaining deaths were classified as non-cardiovascular. There were 1662 deaths (4.9% of the total N of deaths) for whom the cause of death was not available