TABLE 1

Patient Demographics

DemographicPreoperative injectionIntraoperative injectionP
Total patients64792
Age (y)57.153.4NS
Female:male641:692:0NS
Ethnicity
 Caucasian388 (60.0)32 (34.8)<0.0001
 African-American245 (37.9)57 (62.0)<0.0001
 Other14 (2.2)3 (3.3)NS
pT stage
 Tis68 (10.5)12 (13.0)NS
 T1424 (65.5)47 (51.1)0.0104
 T2143 (22.1)30 (32.6)0.0345
 T311 (1.7)3 (3.2)NS
 T41 (0.2)0NS
  • NS = not statistically significant.

  • Unless otherwise indicated, data are number of patients followed by percentage.