. Author manuscript; available in PMC: 2017 Jan 1.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2015 Sep 28;94(1):67–74. doi: 10.1016/j.ijrobp.2015.09.030

Table 2.

Rates of bladder tumor recurrence among 119 analyzable patients on NRG Oncology Radiation Therapy Oncology Group protocols 9906 and 0233

Variable	T0 (n = 101)	Tis/Ta (n = 18)	P ^*
Any bladder recurrence			.52
No	65 (64)	13 (72)
Yes	36 (36)	5 (28)
Recurrence	T0 (n= 32^†)	Tis/Ta (n= 5)	.63
Invasive	13 (41)	1 (20)
Noninvasive	19 (59)	4 (80)

Values are presented as number (percentage).

Fisher's exact test is used.

^†

Excluded 4 patients whose recurrence was indeterminate for invasiveness.