Table 3. Analyses for predictors of recurrence among NMIBC patients.

Variable	No recurrence (N = 48)	Recurrence (N = 16)	P- value
Age, n (%)			0.94
< 60 years	21 (43.8)	7 (43.8)
60–70 years	25 (52)	8 (50)
> 70 years	2 (4.2)	1 (6.2)
Gender, n (%)			0.015
Male	34 (70.8)	16 (100)
Female	14 (29.2)	0
Body mass index, Kg/m2, n (%)			0.30
< 30	40 (83.3)	15 (93.8)
≥ 30	8 (16.7)	1 (6.2)
Tumor size, n (%)
< 3 cm	14 (29.2)	2 (12.5)	0.18
≥ 3 cm	34 (70.8)	14 (87.5)
Tumor WHO 1973 grading system, n (%)			0.006
G2	28 (58.3)	3 (18.8)
G3	20 (41.7)	13 (81.3)
Tumor WHO/ISUP 2004 grading system, n (%)			0.17
Low grade	18 (37.5)	3 (18.8)
High grade	30 (62.5)	13 (81.3)