From: Incidence of and risk factors for community-associated Clostridium difficile infection: A nested case-control study
Year
Total Person-years
Number of CA-CDI Cases
CA-CDI Incidence Rate*
Number of HA-CDI Cases
HA-CDI Incidence Rate*
2004
667,113
62
9.29
85
12.71
2005
673,630
84
12.47
76
11.28
2006
666,127
74
11.11
12.61
2007
716,265
11.76
93
12.98