Table 4.

The correlation between the stages of DR and CKD in the four subgroups.

	Stages of DR and eGFR		Stages of DR and UACR
	r	p-value	r	p-value
Subgroup-analysis
With high myopia	0.338	<0.001*	0.304	<0.001*
With cataract surgery	0.214	0.048*	0.415	0.010*
With both	0.263	<0.001*	0.019	<0.001*
With neither	0.366	<0.001*	0.521	<0.001*
Partial relation
Adjust both#	0.374	<0.001*	0.531	<0.001*

CKD, Chronic kidney disease; UACR, Urinary protein; DR, Diabetic retinopathy.

^#Adjusted by high myopia and cataract surgery.

^*Statistically significant difference at p < 0.05.