Association between Serum Phosphorus Levels and Diabetic Retinopathy: A Cross-Sectional Study.

However, with the increase in serum P, there was a decreasing trend in age (66.87, 63.85, 61.14, 57.71, P < 0.05) and duration of diabetes (12.57, 11.7, 11.2, 10.55, P < 0.05), which suggests that the increase in the prevalence of DR was not due to an increase in age and duration of diabetes.

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An increasing trend in the prevalence of DR was observed across these quartiles.

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