Study type

Study type

Non-interventional study

Scope of the study

Disease epidemiology
Non-interventional study

Non-interventional study design

Cross-sectional
Population studied

Age groups

Adults (18 to < 46 years)
Adults (46 to < 65 years)
Adults (65 to < 75 years)
Adults (75 to < 85 years)
Adults (85 years and over)

Estimated number of subjects

100000
Study design details

Main study objective

The study aimed to investigate the clinical characteristics, treatment, and economic burden of disease of Chinese diabetic/non-diabetic patients with/without established cardiovascular disease, chronic kidney disease, or at high cardiovascular risk.

Outcomes

1. The number and proportion of diabetic/non-diabetic patients (outpatients and inpatients) with disease or risk from 2015 to 2019, patients will be defined as four groups (A-D) as mentioned above, 2. The demographic characteristics (including age, gender, ethic, insurance payment) of the lasted visiting for all patients, as well as the trends for inpatients over time (2015, 2017, and 2019), 1.The clinical characteristics of the studied population of the lasted visiting for all patients, as well as the trends for inpatients over time, 2.Treatment pattern of inpatients and outpatients will be described respectively.

Data analysis plan

The analyses will mainly describe the patient demographic characteristics, comorbidities, complications, treatment pattern and economic burden based on 40 hospitals EMRs of Tianjin regional database. Characteristics presented as continuous data will be summarized through means, standard deviations, medians, minimum and maximum values, whereas, categorical data will be summarized as counts and proportions. All tests of statistical significance among different subgroups (age, gender, department, underlying diseases, etc.) will be two-sided unless otherwise specified, any test resulting in p<0.05 will be considered statistically significant.