Does Post-Void Residual Urine Volume Affect Potential Recurrence Risk for Non-Muscle Invasive Bladder cancer?

Figures & data

Table 1. Patients and tumor characteristics subdivided according to the volume of residual urine.

Variable	PVR level			p-value
	<30	30–59	≥60
Mean age	61.34	61.23	61.11	0.152
Sex   Male   Female	27 (93%) 2 (7%)	47 (92%) 4 (8%)	36 (92%) 3 (8%)	0.911
Smoking   No   Yes	2 (7%) 27 (93%)	12 (24%) 39 (76%)	6 (15%) 33 (85%)	0.451
Initial tumor T   Ta = 1   T1 = 2   CIS = 3	17 (59%) 12 (41%) 0	36 (71%) 15 (29%) 0	23 (59%) 15 (38%) 1 (3%)	0.752
Initial tumor grade   Low grade   High grade	19 (66%) 10 (34%)	38 (75%) 13 (25%)	20 (51%) 19 (49%)	0.164
Total	29 (24%)	51 (43%)	39 (33%)

CIS: Carcinoma in situ; PVR: Post-void residual.

Figure 1. Kaplan–Meier test to estimate bladder cancer recurrence-free survival rates after tumor resection in terms of residual urine volume post-void.

PVR: Post-void residual.