1. HCF (not BMC) Associated Association Indeterminate
Example from Baystate Medical Ctr
Inpatient with positive C. difficile result
Is the onset of symptoms >48˚ after admission? No
Yes
Did the patient have a positive
test in the previous 8 weeks? No
Yes
Did the patient have a positive
test in the previous 8 weeks?
Recurrent (Do not
count as new case)
Was the pt discharged or transferred from > 1 HCF(s)
< 30 days ago with a LOS >48hours? No
Yes
Yes
Dc’d from 1 HCF
No/Unknown
BMC Associated
Recurrent
(Do not
count as
new case)
Was the previous
admission at BMC?
Dc’d from >1 HCF
Was the patient discharged or transferred
from a HCF >30 days ago?
Was the most recent
admission at BMC?
Yes
No/Unknown
Was the patient dc’d > 12 weeks ago?
Yes No No
Yes
Community Acquired No
Yes
BMC Associated
HCF (not BMC) Associated
Association Indeterminate
McDonald, L.C. et al. Recommendations for Surveillance of Clostridium difficile- Associated Disease. Infection Control and Hospital Epidemiology; Feb 2007, Vol.28, No.2.