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Abstract:
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CDC's National Healthcare Safety Network (NHSN), used by CDC and its partners for surveillance of healthcare-associated infections (HAIs), provides standardized incidence ratios (SIRs) to participating hospitals to help promote healthcare quality. In 2012, continuous reporting of urinary catheter-associated urinary tract infections (CAUTI) began in NHSN allowing for the estimation of survival functions within hospital ICUS. Survival functions for the first CAUTI in a given month and among recurring CAUTIs in a year were estimated.
In 2012, there were 66,204 months of data summarizing CAUTI incidence reported to NHSN from 5,814 hospitals ICUs. Hospital-level CAUTI summary incidence measures are heavily influenced by exposure volume and event rarity in CAUTI recurrence. Survival analysis was used to produce adjusted survival curves to supplement existing measures. Estimating adjusted survival functions will help to distinguish CAUTI recurrence among hospital ICUs and provide support to performance quality measurement.
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