Recurrence (%) p value Progression (%) p value
Gender
Male Female 52/188(27.6%) 7/29(24.1%)
0.863
14/188(7.4%) 0/29(0.0%)
0.225
Ta Low Grade High Grade T1 Low Grade High Grade 16/86(18.6%) 4/20(20.0% 11/30(36.6%) 29/81(35.8%)
0.011
4/86(4.6%) 1/20(5.0%) 2/30(6.6%) 7/81(8.6%)
0.762
Number of tumors
1 2-7 ≥8 24/121(19.8%) 30/79(37.9%) 5/17(29.4%)
0.018
8/121(6.6%) 6/79(7.6%) 0/17(0.0%)
0.510
Tumor size
<3 cm. ≥3 cm. 25/114(21.9%) 34/103(33.0%)
0.047
6/114(5.2%) 8/103(7.7%)
0.638
Risk Groups
Low Intermediate High 6/41(14.6%) 25/92(25.8%) 28/84(33.3%)
0.088
3/41(7.3%) 4/92(4.3%) 7/84(8.3%)
0.547
Smoking Status
Never smoked Stopped before diagnosis Stopped after diagnosis Current smoker 7/28(25.0%) 23/98(23.5%) 11/31(35.4%) 18/60(30.0%)
0.563
0/28(0.0%) 8/98(8.2%) 1/30(3.3%) 5/60(8.3%)
0.353