2024
Changing patterns of routine laboratory testing over time at children's hospitals
Tchou M, Hall M, Markham J, Stephens J, Steiner M, McCoy E, Aronson P, Shah S, Molloy M, Cotter J. Changing patterns of routine laboratory testing over time at children's hospitals. Journal Of Hospital Medicine 2024, 19: 671-679. PMID: 38643414, PMCID: PMC11296890, DOI: 10.1002/jhm.13372.Peer-Reviewed Original ResearchTesting ratesChildren's hospitalED revisitsLength of stayRetrospective cohort study of children aged 0Study of children aged 0Annual testing ratesLaboratory testing ratesPediatric Health Information System databaseHealth Information System databaseChildren aged 0Case mix indexInformation System databaseResource utilization trendsRetrospective cohort studyAged 0Group hospitalsPatient daysReadmission ratesPatient outcomesSeparate hospitalsHospitalSystem databaseUtilization trendsMulti-center
2023
Variation in stool testing for children with acute gastrointestinal infections
Markham J, Hall M, Collins M, Shah S, Molloy M, Aronson P, Cotter J, Steiner M, McCoy E, Tchou M, Stephens J. Variation in stool testing for children with acute gastrointestinal infections. Journal Of Hospital Medicine 2023, 18: 473-482. PMID: 36988413, PMCID: PMC11340271, DOI: 10.1002/jhm.13087.Peer-Reviewed Original ResearchConceptsAcute gastrointestinal infectionsStool testingLength of stayGastrointestinal infectionsHospitalized childrenTesting ratesUtilization outcomesPediatric Health Information System databaseHealth Information System databaseOverall testing rateCross-sectional studyStool studiesDiagnostic stewardshipAcute careChildren's HospitalInformation System databaseMAIN OUTCOMEHospitalInfectionIndividual hospitalsOutcomesSignificant differencesChildrenSystem databaseTesting group
2022
Variation in bacterial pneumonia diagnoses and outcomes among children hospitalized with lower respiratory tract infections
Cotter J, Hall M, Shah S, Molloy M, Markham J, Aronson P, Stephens J, Steiner M, McCoy E, Collins M, Tchou M. Variation in bacterial pneumonia diagnoses and outcomes among children hospitalized with lower respiratory tract infections. Journal Of Hospital Medicine 2022, 17: 872-879. PMID: 35946482, PMCID: PMC11366396, DOI: 10.1002/jhm.12940.Peer-Reviewed Original ResearchConceptsBacterial community-acquired pneumoniaLower respiratory tract infectionsCommunity-acquired pneumoniaRespiratory tract infectionsProportion of childrenTract infectionsDiagnosis groupsMulticenter cross-sectional studyLength of stayCross-sectional studyCause revisitsClinical outcomesBlood testsChildren's HospitalViral causeCaP diagnosisChest radiographsMAIN OUTCOMEMultivariable regressionPneumonia diagnosisHospitalDiagnosisOutcomesReadmissionSignificant differences
2017
Impact of Enteroviral Polymerase Chain Reaction Testing on Length of Stay for Infants 60 Days Old or Younger
Aronson PL, Lyons TW, Cruz AT, Freedman SB, Okada PJ, Fleming AH, Arms JL, Thompson AD, Schmidt SM, Louie J, Alfonzo MJ, Monuteaux MC, Nigrovic LE, Group P, Alpern E, Balamuth F, Bradin S, Curtis S, Garro A, Grether-Jones K, Ishimine P, Kulik D, Mahajan P, Miller A, Mistry R, Pruitt C, Schnadower D, Shah S, Thomson J, Uspal N. Impact of Enteroviral Polymerase Chain Reaction Testing on Length of Stay for Infants 60 Days Old or Younger. The Journal Of Pediatrics 2017, 189: 169-174.e2. PMID: 28705656, PMCID: PMC5870831, DOI: 10.1016/j.jpeds.2017.06.021.Peer-Reviewed Original ResearchConceptsPCR testShorter LOSCentral nervous system infectionPolymerase chain reaction testingCerebrospinal fluid culturesNervous system infectionPlanned secondary analysisLarge multicenter cohortCerebrospinal fluid evaluationLength of stayPositive test resultsNegative test resultsDays of ageHospital lengthHospital LOSRetrospective cohortSystem infectionBacterial meningitisMulticenter cohortPatient ageFluid cultureHospital CenterPCR testingReaction testingInfants