[Retracted] Efficacy of Bladder Intravesical Chemotherapy with Three Drugs for Preventing Non-Muscle-Invasive Bladder Cancer Recurrence

Table 4

Comparison of the recurrence of the three groups of high-risk bladder cancer patients.

	Number of recurrences in 1 year	1-year recurrence rate	Number of recurrences in 2 years	2-year recurrence rate
Group A (n = 67)	7	10.45%	17	25.37%
Group B (n = 81)	3	3.7%	8	9.87%
Group C (n = 74)	9	13.16%	18	24.32%
All groups
X^2		3.97		7.38
value		0.137		0.025
Group A vs. B
X^2		2.65		6.27
value		0.104		0.012 (<0.017)
Group B vs. C
X^2		3.87		5.78
value		0.049 (>0.017)		0.016 (<0.017)
Group A vs. C
X^2		0.10		0.02
value		0.749		0.886