Table 4.

Linear correlation analysis of age and penetration age with depression and sleep quality in patients with uremia.

Factors	Depression level		Sleep quality score
	R value	P value	R value	P value
Age	0.372	0.20	0.262	0.001
Through the ages	0.289	0.011	0.351	0.010
Depression scores	0.983		0.721	0.001
Sleep quality score	0.721	0.001	0.983