Variable Selection and Prediction Using a Nested, Matched Case-Control Study: Application to Hospital Acquired Pneumonia in Stroke Patients
Qian J, Payabvash S, Kemmling A, Lev MH, Schwamm LH, Betensky RA. Variable Selection and Prediction Using a Nested, Matched Case-Control Study: Application to Hospital Acquired Pneumonia in Stroke Patients. Biometrics 2013, 70: 153-163. PMID: 24320930, PMCID: PMC3954429, DOI: 10.1111/biom.12113.Peer-Reviewed Original ResearchConceptsMassachusetts General HospitalCase-control studyStroke patientsAcute ischemic stroke patientsBrain regionsMatched Case-Control StudyHospital-Acquired PneumoniaIschemic stroke patientsLarge prospective studiesUnconditional logistic regressionCase-control designSpecific brain regionsAcquired PneumoniaAcute infarctionClinical featuresProspective studyClinical variablesGeneral HospitalEpidemiologic studiesPatientsModern imagingLarger studyLogistic regressionAppropriate statistical analysisHAP studiesDysphagia Screening and Hospital-acquired Pneumonia in Patients with Acute Ischemic Stroke: Findings from Get with the Guidelines–Stroke
Masrur S, Smith E, Saver J, Reeves M, Bhatt D, Zhao X, Olson D, Pan W, Hernandez A, Fonarow G, Schwamm L. Dysphagia Screening and Hospital-acquired Pneumonia in Patients with Acute Ischemic Stroke: Findings from Get with the Guidelines–Stroke. Journal Of Stroke And Cerebrovascular Diseases 2013, 22: e301-e309. PMID: 23305674, DOI: 10.1016/j.jstrokecerebrovasdis.2012.11.013.Peer-Reviewed Original ResearchConceptsHospital-acquired pneumoniaDysphagia screeningStroke patientsGuidelines-StrokeNIHSS scoreIschemic strokeOral intakeMultivariable analysisHealth Stroke Scale scoreAdmission National InstitutesGuidelines-Stroke hospitalsStroke Scale scoreAcute ischemic strokeIschemic stroke patientsLength of stayEligible patientsHospital mortalitySevere strokeFemale genderNational guidelinesLower riskPatientsScale scorePneumoniaStroke