Objective-To compare the prevalence, resource utilization, and mortality for pediatric severe sepsis identified using two established identification strategies.
Design-Observational cohort study from 2004-2012.Setting-Forty-four pediatric hospitals contributing data to the Pediatric Health Information Systems database.Patients-Children ≤18 years of age.Measurements and Main Results-We identified patients with severe sepsis or septic shock by using two International Classification of Diseases, 9 th edition-Clinical Modification (ICD9-CM) based coding strategies: 1) combinations of ICD9-CM codes for infection plus organ dysfunction (combination code cohort); 2) ICD9-CM codes for severe sepsis and septic shock (sepsis code cohort). Outcomes included prevalence of severe sepsis, as well as hospital and intensive care unit (ICU) length of stay (LOS), and mortality. Outcomes were compared between the two cohorts examining aggregate differences over the study period and trends over time. The combination code cohort identified, 176,124 hospitalizations (3.1% of all hospitalizations), while the sepsis code cohort identified 25,236 hospitalizations (0.45%), a 7-fold difference. Between 2004 and 2012, the prevalence of sepsis increased from 3.7% to 4.4% using the combination code cohort and from 0.4% to 0.7% using the sepsis code cohort (p<0.001 for trend in each cohort). LOS (hospital and ICU) and costs decreased in both cohorts over the study period (p<0.001). Overall hospital mortality was higher in the sepsis code cohort than the combination code cohort (21.2%,. Over the 9 year study period, there was an absolute reduction in mortality of 10.9% (p<0.001) in the sepsis code cohort and 3.8% (p<0.001) in the combination code cohort.Conclusions-Prevalence of pediatric severe sepsis increased in the studied US children's hospitals over the past 9 years, though resource utilization and mortality decreased. Epidemiologic estimates of pediatric severe sepsis varied up to 7-fold depending on the strategy used for case ascertainment.
OBJECTIVE:To determine the rate of return visits to pediatric emergency departments (EDs) and identify patient-and visit-level factors associated with return visits and hospitalization upon return.
DESIGN AND SETTING:Retrospective cohort study of visits to 23 pediatric EDs in 2012 using data from the Pediatric Health Information System.
PARTICIPANTS:Patients <18 years old discharged following an ED visit.
MEASURES:The primary outcomes were the rate of return visits within 72 hours of discharge from the ED and of return visits within 72 hours resulting in hospitalization. Results: 1,415,721 of the 1,610,201 ED visits to study hospitals resulted in discharge. Of the discharges, 47,294 patients (3.3%) had a return visit. Of these revisits, 9295 (19.7%) resulted in hospitalization. In multivariate analyses, the odds of having a revisit were higher for patients with a chronic condition (odds ratio [OR]
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