Table 1. PCA loadings for the first two components (urinary parameters) before and after VARIMAX rotation.

Attribute	original		rotated
	PC1	PC2	PC1	PC2
Variance explained (cumulated value)	50% (50%)	22% (72%)	37% (37%)	35% (72%)
U-PAL	0.85	0.41	0.90	0.27
U-POL	0.85	0.32	0.84	0.35
U-CRE	0.77	−0.26	0.39	0.71
U-PRO	0.70	−0.50	0.17	0.84
U-AGE	0.51	−0.64	−0.06	0.81
U-CAR	0.45	0.57	0.72	−0.11

Strong communalities in bold.