Figure 3

Kaplan–Meier curves for recurrence-free survival rates according to (a) aldehyde dehydrogenase 1 (ALDH1) expression status and (b) sex determining region-Y-related high mobility group box 2 (SOX2) expression status, and for intravesical recurrence-free survival rates according to (c) ALDH1 expression status and (d) SOX2 expression status.