Association of fruit and vegetable intake with all-cause and cardio-cerebrovascular mortality among type 2 diabetes mellitus patients in Huaian city – a 9-year retrospective follow-up study

ObjectiveTo investigate the relationship between fruit and vegetable intake and all-cause and cardio-cerebrovascular mortality in patients with type 2 diabetes mellitus (T2DM) for providing evidence to improve the survival of the patients. MethodsThe participants of the study were 10 086 T2DM patients recruited with multistage random cluster sampling from community chronic disease sufferers under the management of basic public health services in Huaian city, Jiangsu province. A baseline survey including questionnaire interview, physical examination and laboratory tests were conducted and fruit and vegetable intake during previous one year were estimated using a standardized semiquantitative Food Frequency Questionnaire among the participants during January 2013. All-cause and cardio-cerebrovascular mortality up to December 31, 2021 among the participants were identified using municipal vital registration information system. Univariate analysis and multivariate Cox proportional risk regression model were adopt