Diabetic Retinopathy Prevalence And Risk Factors
ConditionDiabetic Retinopathy (DR)
Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18+
SponsorDa Nang Family General Hospital
About this trial
The goal of this retrospective observational study is to evaluate the prevalence and severity of diabetic retinopathy (DR) and to identify associated risk factors among patients with diabetes mellitus at Gia Dinh Family Hospital in Da Nang, Vietnam.
The main questions it aims to answer are:
1. What is the prevalence and distribution of different stages of diabetic retinopathy among diabetic patients at this hospital? 2. Which clinical and laboratory factors are associated with the presence of diabetic retinopathy?
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Diagnosed diabetes mellitus (type 1 or type 2) according to ADA criteria
Underwent ophthalmic examination including dilated fundus examination and OCT
Available electronic medical records with key clinical and laboratory data
Disqualifiers
Gestational diabetes mellitus
Media opacity precluding fundus examination (advanced cataract, corneal opacity, dense vitreous hemorrhage)
Other retinal diseases (e.g., hypertensive retinopathy, retinal vein occlusion)
History of ocular trauma or intraocular surgery within 6 months
Trial population
This hospital-based retrospective cohort study included adult patients with diabetes mellitus who attended the Endocrinology-Diabetes Center and underwent ophthalmologic evaluation at the Eye Clinic of Family General Hospital, Da Nang, Vietnam, between January 2025 and September 2025.
Trial design
Design model
Cohort
Time perspective
Retrospective
Treatments tested in this trial
fundus examination and optical coherence tomography (OCT)
Other interventionPatients will be identified through the Ehealth program at the Family Hospital, Da Nang. All diabetic patients who visited the Center of Endocrinology and Diabetes and had ophthalmologic examination, including fundus examination and optical coherence tomography (OCT), during the study period will be screened for eligibility
Treatment groups
No treatment groups listed
Trial outcomes
Primary outcomes
1
Prevalence of diabetic retinopathy (any stage)
To determine the prevalence of diabetic retinopathy among patients with diabetes mellitus.
Time frame
At baseline (data collected at the time of retinal examination during the study period, January-September 2025)Sponsors and contacts
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Source ClinicalTrials.gov