TABLE 4.

Incidence of IC and IA in the United Statesa

ParameterInfectionIncidence rate per yr
19961997199819992000200120022003
Incidence rate per 100,000 U.S. populationIC2322222423222329
IA3.42.82.12.44.13.02.62.2
Incidence rate per 10,000 hospital dischargesIC2019192020192024
IA32224322