Fig. 3

Principal component analysis (PCA) based on clinical, hormonal, and genetic parameters among PE + DM patients. Whereas, correlation circle showing a projection of the initial variables in the factor space. The Coordinate F1 accounts for 19.27% variations and Coordinate F2 accounts for 10.92% variation. PE: Premature Ejaculatory dysfunction; BMI: Body mass index; TSH: Thyroid stimulating hormone; PEDT: = Premature ejaculation diagnostic tool; BDI-II: Beck’s Depression Inventory-II; IELT: Intravaginal ejaculatory latency time; IIEF-15 = International Index of Erectile Dysfunction-15