Fig. 1

Kaplan-Meier renal survival curves for 194 patients with HN. The 5- and 10-year cumulative renal survival rates after biopsy were 84.5 % and 48.9 %, respectively, for 194 patients with HN. The 5- and 10-year cumulative renal survival rates after biopsy were 98.1 % and 58.3 %, respectively, for the BN group, and 66.8 % and 19.4 %, respectively, for the MN group (log-rank P < 0.001). HN, hypertensive nephrosclerosis; BN, benign nephrosclerosis; MN, malignant nephrosclerosis