Table 1.

Association between Deletions of INK4A and Clinicopathological Variables

Variable	INK4A deletions				P value (Fisher’s test)
	no		yes
	n	(%)	n	(%)
Tumor stage
Ta	85	(88.5)	11	(11.5)	1.00
T1	21	(91.3)	2	(8.7)
Tumor grade
G1	37	(97.4)	1	(2.6)	0.06
G2/3	71	(85.5)	12	(14.5)
Tumor size
<3 cm	66	(97.1)	2	(2.9)	3.0× 10−3
≥3 cm	37	(78.7)	10	(21.3)
Number of tumors
1	77	(89.5)	9	(10.5)	1.00
multiple	31	(88.6)	4	(11.4)