a decreasing trendp < 0.001
The proportion of anterior DR was significantly higher in earlier stages of NPDR, and the proportion showed a decreasing trend from mild to moderate to severe NPDR (Pearson's chi-square test, p < 0.001).
The proportion of anterior DR was significantly higher in earlier stages of NPDR, and the proportion showed a decreasing trend from mild to moderate to severe NPDR (Pearson's chi-square test, p < 0.001).