2292
The aim of this study was to determine the risk factors for background diabetic retinopathy ( BDR ) and PDR by following 394 Japanese patients with early - onset type 2 diabetes diagnosed before 30 years of age ( mean age 27 , mean blood pressure at entry 116 / 73 mm Hg ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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