Clinical Features of Sarcomatoid Carcinoma (Carcinosarcoma) of the Urinary Bladder: Analysis of 221 Cases

Table 1

Age adjusted incidence rate of sarcomatoid carcinoma (carcinosarcoma) of the urinary bladder per 100,000 populations.

Age-adjusted incidence rate*95% CI
Overall	0.02	0.02-0.03
Gender
Male	0.03	0.03-0.04
Female	0.01	0.01-0.02
Race
White	0.02	0.02-0.03
Black	0.02	0.01–0.04
Others	0.01	0.00–0.03

${}^{*}$Rates are per 100,000 population (95% confidence interval) age-adjusted to year 2000 U.S. Standard population.