Skip to main content
. 2021 May 13;31:11. doi: 10.1186/s12610-021-00129-5

Fig. 2.

Fig. 2

The trend analysis of associations between IIEF-5 scores and PDI or hPDI. # Trend analysis within ED group. Comparison of PDI or hPDI by Student t-test between the control group (IIEF-5 score: 22–25) and mild ED group (IIEF-5 score: 17–21). ** < 0.01, *** < 0.001. Abbreviations: hPDI: healthful plant-based diet index; IIEF-5: International Index of Erectile Function-5; PDI: overall plant-based diet index