2015
Association between serum 25‐hydroxyvitamin D level and pulmonary exacerbations in cystic fibrosis
Vanstone MB, Egan ME, Zhang JH, Carpenter TO. Association between serum 25‐hydroxyvitamin D level and pulmonary exacerbations in cystic fibrosis. Pediatric Pulmonology 2015, 50: 441-446. PMID: 25657016, DOI: 10.1002/ppul.23161.Peer-Reviewed Original ResearchConceptsPulmonary function testsCystic fibrosisPulmonary exacerbationsPediatric patientsD levelsYale-New Haven HospitalPediatric CF patientsVitamin D sufficiencyRetrospective chart reviewVitamin D statusStrongest independent determinantCF care centersPatients ages 5Logistic regression analysisAnnual numberD sufficiencyD statusChart reviewClinic visitsLung functionPulmonary functionAntibiotic therapyFunction testsHospitalization ratesIndependent determinants
2011
Demographic, dietary, and biochemical determinants of vitamin D status in inner-city children
Carpenter TO, Herreros F, Zhang JH, Ellis BK, Simpson C, Torrealba-Fox E, Kim GJ, Savoye M, Held NA, Cole D. Demographic, dietary, and biochemical determinants of vitamin D status in inner-city children. American Journal Of Clinical Nutrition 2011, 95: 137-146. PMID: 22170368, PMCID: PMC3238457, DOI: 10.3945/ajcn.111.018721.Peer-Reviewed Original ResearchConceptsParathyroid hormonePmol/LMinority infantsFormula useMeasurement of PTHSkin typeOlder childrenVitamin D insufficientVitamin D intakeVitamin D statusVitamin D fortificationAlkaline phosphatase activityDietary intake dataInner-city childrenClinical ricketsD intakeD statusSerum calciumDihydroxyvitamin DVitamin DD fortificationBlood samplesIntake dataReference rangeTotal alkaline phosphatase activity