Table 5.

Tumour cohort characteristics.

UICC Stage	No.	WHO (1973) Grade			EAU NMIBC Risk Group			Sex		Age (yrs)	Progression to MIBC		PFS (yrs)	Death		Smoking status
	N	Grade 1	Grade 2	Grade 3	Low	Intermediate	High	Male	Female	Median	Yes	No	Median	Yes	No	Non-Smoker	Current	Ex-Smoker	Unavailable
pTa	29	17	4	8	9	8	12	24	5	71.42	11	18	3.91	6	23	2	6	18	3
pT1	49	0	1	48	0	0	49	43	6	73.82	19	30	4.47	19	30	12	7	29	1
T2+	7	0	0	7	NA	NA	NA	6	1	76.51	NA	NA	NA	6	1	1	0	6	0