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Publication characteristics
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Authors, title, publication date, journal citation
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Study characteristics
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Design
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Dates of data collection
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Population characteristics
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Country
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Population demographics (age, gender)
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Sample size
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Intervention characteristics
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Setting (rural/urban, community/hospital)
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Task shifting cadre
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Training (type and duration)
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Scope of the task (screening, treatment, both)
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Eye examination procedures (Mydriatic/ non mydriatic, ophthalmoscopy/photography)
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Technology (cameras, ophthalmoscope, slit lamp, OCT)
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DR classification (EDTRS, other)
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Referral criteria/guidelines (periodicity; immediate referral for severe cases; compliance tracking)
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Quality assurance (audit, retraining, CPD or any other measure for quality assurance)
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Outcomes
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1. Proportion of patients accessing detection services among the adult population with type 1 and type 2 diabetes
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2. Proportion of patients diagnosed to have DR among those accessing detection services
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3. Diagnostic accuracy of the task-shifting intervention for DR detection
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4. Severity of DR at detection
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5. Cost-effectiveness of the task-shifting intervention
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