Diabetes
Conditions
Interventions
None listed
Sponsors
Nagoya University Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients aged 20 years or older with diabetes who have been prescribed insulin or sulfonylureas and have a diagnosis of glaucoma.
Exclusion criteria
Exclusion criteria: 1) Patients with glaucoma diagnoses other than those specified above Applicable diagnostic codes: H40.0, H40.2, H40.3, H40.4, H40.5, H40.6, H40.8, H40.9, H42 2) Patients with comorbid diseases that may cause severe visual impairment and influence the decision to perform surgery, or diseases that may increase the frequency of medical visits and thereby contribute to surveillance bias, including age-related macular degeneration, proliferative diabetic retinopathy, diabetic macular edema, cystoid macular edema, retinal vascular occlusion, retinal detachment, macular hole, optic neuritis, and uveitis Applicable diagnostic codes: H35.3, H34.8, H33, H35.81, H43.1, H35.34, H20, H30, H17, H46, H47 3) Patients who have previously undergone retinal photocoagulation, intravitreal injection, or vitrectomy Procedure codes: K277, K280, K282 4) Patients with a total available data period of less than 6 years, including both the landmark period and the window period 5) Patients with missing information required to ascertain the primary outcome
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Performance of glaucoma surgery, defined by the medical procedure code corresponding to glaucoma-related surgery (K268) | — |
Countries
Japan
Contacts
Public ContactAyana Suzumura
Nagoya University Hospital Ophthalmology
Outcome results
None listed