Publications

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Displaying 51 through 100 of 134 publications.

Anderson-Smits C, Huang Z, Ritchey MB, Layton JB. Procedure coding versus pharmacy-dispensing claims for assessing steroid use in patients with Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP) and Primary Immunodeficiency Diseases (PIDD). Poster presented at the Virtual ISPOR 2021 Conference; May 2021.

Layton JB, Ritchey MB, Huang Z, Anderson-Smits C. Replicating clinical trial exclusion criteria in a claims-based cohort of patients with Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP) initiating Intravenous Immunoglobulin (IVIG) treatment. Poster presented at the Virtual ISPOR 2021 Conference; May 2021.

Anderson-Smits C, Layton JB, Ritchey ME, Hayden V, Chavan S, Souayah N. Patient and treatment characteristics of a large US sample of patients with Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP) Initiating Intravenous Immunoglobulin (IVIG) therapy. Poster presented at the American Academy of Neurology (AAN) 2021 Virtual Annual Meeting; April 17, 2021. Previously presented at the 2020 Muscle Study Group (MSG) Annual Virtual Meeting.

Anderson-Smits C, Orange J, Park M, Huang Z, Layton JB, Ritchey ME. Immunoglobulin initiation among patients with Primary Immunodeficiency Diseases (PIDD): a retrospective claims-based US cohort study. Poster presented at the 2021 Clinical Immunology Society (CIS) Virtual Meeting; April 14, 2021.

Forns J, Layton JB, Bartsch J, Turner ME, Dempsey C, Anthony M, Ritchey ME, Demos G. Increased risk of falls and fractures in patients with psychosis and Parkinson disease. PLoS One. 2021 Jan 27. doi: 10.1371/journal.pone.0246121

Layton JB, Li W, Yuan J, Gilman JP, Horton DB, Setoguchi S. Heatwaves, medications, and heat-related hospitalization in older Medicare beneficiaries with chronic conditions. PLoS One. 2020 Dec 10;15(12):e0243665. doi: 10.1371/journal.pone.0243665

Anderson-Smits C, Layton JB, Ritchey ME, Hayden V, Chavan S, Souayah N. Patient and treatment characteristics of a large US sample of patients with Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP) Initiating Intravenous Immunoglobulin (IVIG) therapy. Poster presented at the IgNS Virtual 2020 9th National Conference; October 22, 2020.

Gaggl M, Pate V, Sturmer T, Kshirsagar AV, Layton JB. The comparative risk of acute kidney injury of vancomycin relative to other common antibiotics. Sci Rep. 2020 Oct 14;10(1):17282. doi: 10.1038/s41598-020-73687-9

Layton JB, Anderson-Smits C, Ritchey ME, Chavan S, Souayah N. Treatment patterns of US patients with chronic inflammatory demyelinating polyradiculoneuropathy. Poster presented at the 2020 Virtual American Association of Neuromuscular and Electrodiagnostic Medicine Annual Meeting; October 2020. [abstract] Muscle Nerve. 2020 Oct; p.126.

Danysh HE, Gilsenan A, Beachler DC, Kaye JA, Garcia-Albeniz X, Schmid R, Hunter S, Hunt PR, Aguado J, Calingaert B, Layton JB, Gutierrez L. Validation of breast cancer and bladder cancer among patients with type 2 diabetes mellitus in Medicare: a pilot study. Poster presented at the 2020 36th ICPE International Virtual Conference on Pharmacoepidemiology & Therapeutic Risk Management; September 16, 2020.

Layton JB, McGrath LJ, Sahrmann JM, Ma Y, Dharnidharka VR, O'Neil C, Weber DJ, Butler AM. Comparative safety of high-dose versus standard-dose influenza vaccination in patients with end-stage renal disease. Poster presented at the 2020 36th ICPE International Virtual Conference on Pharmacoepidemiology & Therapeutic Risk Management; September 16, 2020.

Layton JB, McGrath LJ, Sahrmann JM, Dharnidharka VR, O'Neil CA, Butler AM. Plotting daily incidence of influenza vaccine reactions among patients with end-stage renal disease to inform study design decisions. Poster presented at the 2020 36th ICPE International Virtual Conference on Pharmacoepidemiology & Therapeutic Risk Management; September 16, 2020.

Layton JB, Zhou CK, Danysh HE, Bleachler DC, Ziemiecki R, Dinah J, Yin R, Calingaert B, Hunt PR, Gilsenan AW, Johannes CW. Identifying cohorts of patients with type 2 diabetes mellitus initiating dapagliflozin in three data sources. Poster presented at the 2020 36th ICPE International Virtual Conference on Pharmacoepidemiology & Therapeutic Risk Management; September 16, 2020.

Layton JB, Ritchey ME, Huang Z, Anderson-Smits C. Comparability of patients with CIDP using intravenous immunoglobulin in Medicaid vs commercial or Medicare claims data. Poster presented at the 2020 36th ICPE International Virtual Conference on Pharmacoepidemiology & Therapeutic Risk Management; September 16, 2020.

Layton JB, Ritchey ME, Huang Z, Anderson-Smits C, Hill G. Identifying immunoglobulin use in claims data with procedure coding and pharmacy dispensing data. Poster presented at the 2020 36th ICPE International Virtual Conference on Pharmacoepidemiology & Therapeutic Risk Management; September 16, 2020.

McGrath LJ, Layton JB, Sahrmann JM, Dharnidharka VR, OʼNeil CA, Butler AM. Utilization of a booster dose of influenza vaccine among adults with end-stage renal disease in the United States. Poster presented at the 2020 36th ICPE International Virtual Conference on Pharmacoepidemiology & Therapeutic Risk Management; September 16, 2020.

Forns J, Layton JB, Bartsch J, Turner ME, Dempsey C, Anthony M, Ritchey ME, Demos G. Increased risk of falls and fractures in patients with psychosis and Parkinson disease. Poster presented at the 2020 36th ICPE International Virtual Conference on Pharmacoepidemiology & Therapeutic Risk Management; September 16, 2020.

Anderson-Smits C, Layton JB, Ritchey ME, Hayden V, Chavan S, Souayah N. Patient and treatment characteristics of a large US sample of patients with Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP) initiating Intravenous Immunoglobulin (IVIG) therapy. Poster presented at the 2020 Muscle Study Group (MSG) Annual Virtual Meeting; September 25, 2020. [abstract] RRNMF Neu J. 2020 Sep; 1(4):61.

Danysh HE, Layton B, Beachler DC, Arana A, Pladevall-Vila M, Schmid R, Calingaert B, Ziemiecki R, Hunt PR, Gilsenan A, Johannes C. Validation of acute outcomes among patients with type 2 diabetes mellitus in Medicare: a pilot study. Poster presented at the 2020 36th ICPE International Virtual Conference on Pharmacoepidemiology & Therapeutic Risk Management; September 2020.

Requena G, Ma L, Sturmer T, Layton JB, DiBello J. Association between an acute, drug-induced decrease in high-density lipoprotein cholesterol levels and risk of cardiovascular events. Clin Drug Invest. 2020 Aug;40:747-54. doi: 10.1007/s40261-020-00935-1

Layton JB, McGrath LJ, Sahrmann JM, Ma Y, Dharnidharka VR, O’Neil C, Weber DJ, Butler AM. Comparative safety of high-dose versus standard-dose influenza vaccination in patients with end-stage renal disease. Vaccine. 2020 Jun 6;38(33):5178-86. doi: 10.1016/j.vaccine.2020.06.020

Layton JB, Anderson-Smits C, Ritchey ME, Chavan S, Souayah N. Treatment patterns of a large US sample of Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP) patients. Poster presented at the 2020 6th EAN Congress Virtual Congress; May 23, 2020.

Anderson-Smits C, Layton JB, Ritchey ME, Hayden V, Sehinovych I, Chavan S, Souayah N. Patient and treatment characteristics of a large US sample of patients with Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP) initiating Intravenous Immunoglobulin (IVIG) therapy. Poster presented at the 2020 Virtual American Academy of Neurology Annual Meeting (Conference cancelled); April 25, 2020. Toronto, Canada. [abstract] Neurology. 2020 Apr 14; 94(15 Supplement):4442.

Butler AM, Layton JB, Dharnidharka VR, McGrath LJ. Correspondence: In reply to 'High-dose versus standard-dose influenza vaccine in hemodialysis patients'. Am J Kidney Dis. 2020 Mar;75(3):456-7. doi: 10.1053/j.ajkd.2019.11.002

Butler AM, Layton JB, Dharnidharka VR, Sahrmann J, Seamans MJ, Weber DJ, McGrath L. Comparative effectiveness of high-dose versus standard-dose influenza vaccine among patients receiving maintenance hemodialysis. Am J Kidney Dis. 2020 Jan;75(1):72-83. doi: 10.1053/j.ajkd.2019.05.018.

Li W, Zou T, Li L, Deng Y, Sun VT, Zhang Q, Layton B, Setoguchi S. Impacts of the North Atlantic subtropical high on interannual variation of summertime heat stress over the conterminous United States. Clim Dyn. 2019 Sep;53(5-6):3345-59. doi: 10.1007/s00382-019-04708-1

Layton JB, Butler AM, Brookhart MA, Panozzo CA. Variation in rotavirus vaccination coding in US State Medicaid data. Presented at the 35th ICPE International Conference on Pharmacoepidemiology & Therapeutic Risk Management; August 28, 2019. Philadelphia, PA. [abstract] Pharmacoepidemiol Drug Saf. 2019 Aug 20; 28(S2):852. doi: 10.1002/pds.4864

Layton JB, Li W, Wang L, Yuan J, Gilman JP, Horton DB, Setoguchi S. Heatwaves and heat-sensitizing medications in vulnerable older adults. Presented at the 35th ICPE International Conference on Pharmacoepidemiology & Therapeutic Risk Management; August 28, 2019. Philadelphia, PA. [abstract] Pharmacoepidemiol Drug Saf. 2019 Aug 20; 28(S2):870. doi: 10.1002/pds.4864

Forns J, Layton JB, Ritchey ME. Identifying psychosis in patients with dementia: not a hallucination or delusion, the challenge really exists. Poster presented at the 35th ICPE International Conference on Pharmacoepidemiology & Therapeutic Risk Management; August 26, 2019. Philadelphia, PA. [abstract] Pharmacoepidemiol Drug Saf. 2019 Aug 20; 24(S2):214. doi: 10.1002/pds.4864

Adelborg K, Rasmussen TB, Norrelund H, Layton JB, Sorensen HT, Christiansen CF. Cardiovascular outcomes and all-cause mortality following measurement of endogenous testosterone levels. Am J Cardiol. 2019 Jun 1;123(11):1757-64. doi: 10.1016/j.amjcard.2019.02.042

Layton JB, Butler AM, Brookhart MA, Panozzo CA. Variation in rotavirus vaccination coding in state US medicaid data. Vaccine. 2019 May 16;37(22):2892-5. doi: 10.1016/j.vaccine.2019.02.074

Layton JB. Validating outcomes in health care databases: opportunities and challenges. Presented at the UNC Gillings School of Global Public Health; April 23, 2019. Chapel Hill, NC.

Butler AM, Layton JB, Krueger WS, Kshirsager AV, McGrath LJ. Assessing residual bias in estimating influenza vaccine effectiveness: comparison of high-dose versus standard-dose vaccines. Med Care. 2019 Jan;57(1):73-8. doi: 10.1097/MLR.0000000000001018

Burkard T, Huegle T, Layton JB, Glynn RJ, Bloechliger M, Frey N, Jick SS, Meier CR, Spoendlin J. The risk of incident osteoarthritis of the hand in statin initiators:a sequential cohort study. Arthritis Care Res (Hoboken). 2018 Dec;70(12):1795-805. doi: 10.1002/acr.23616

Houghton DE, Alsawas M, Barrioneuvo P, Tello M, Farah W, Beuschel B, Prokop LJ, Layton JB, Murad MH, Moll S. Testosterone therapy and venous thromboembolism: a systematic review and meta-analysis. Thromb Res. 2018 Dec;172:94-103. doi: 10.1016/j.thromres.2018.10.023

Gaggl M, Sturmer T, Kshirsagar AV, Layton JB. AKI after intravenous vancomycin compared to other common intravenous antibiotics. Poster presented at the American Society of Nephrology Kidney Week 2018 Conference; October 25, 2018. San Diego, CA.

McGrath LJ, Layton JB, Krueger WS, Kshirsagar AV, Butler AM. High-dose influenza vaccine use among patients receiving hemodialysis in the United States, 2010-2013. Vaccine. 2018 Oct 1;36(41):6087-94. doi: 10.1016/j.vaccine.2018.08.079

Assimon MM, Brookhart MA, Fine JP, Heiss G, Layton JB, Flythe JE. A comparative study of carvedilol versus metoprolol initiation and 1-year mortality among individuals receiving maintenance hemodialysis. Am J Kidney Dis. 2018 Sep;72(3):337-48. doi: 10.1053/j.ajkd.2018.02.350.

Layton JB, Butler AM, Panozzo CA, Brookhart MA. Rotavirus vaccination and short-term risk of adverse events in US infants. Paediatr Perinat Epidemiol. 2018 Sep;32(5):448-57. doi: 10.1111/ppe.12496

Butler AM, Layton JB, Dharnidharka VR, Sahrmann J, Weber DJ, McGrath L. Comparative effectiveness of high-dose versus standard-dose influenza vaccine among patients on chronic hemodialysis. Presented at the 35th ICPE International Conference on Pharmacoepidemiology & Therapeutic Risk Management; August 27, 2019. Philadelphia, PA. [abstract] Pharmacoepidemiol Drug Saf. 2018 Aug 20; 28(S2):485. doi: 10.1002/pds.4864

Butler AM, Layton JB, Krueger WS, Kshirsagar AV, McGrath LJ. Estimating influenza vaccine effectiveness: using an active comparator reduces bias due to confounding by frailty. Poster presented at the 34th ICPE International Conference on Pharmacoepidemiology & Therapeutic Risk Management; August 25, 2018. Prague, Czech Republic. [abstract] Pharmacoepidemiol Drug Saf. 2018 Aug; 27(S2):229. doi: 10.1002/pds.4629

Requena G, DiBello J, Ma L, Sturmer T, Layton JB. Short term HDL cholesterol (HDL-C) decrease and incidence of cardiovascular (CV) risk. Poster presented at the 34th ICPE International Conference on Pharmacoepidemiology & Therapeutic Risk Management; August 26, 2018. Prague, Czech Republic. [abstract] Pharmacoepidemiol Drug Saf. 2018 Aug; 27(S2):468. doi: 10.1002/pds.4629

Camplain R, Kucharska-Newton A, Keyserling TC, Layton JB, Loehr L, Heiss G. Incidence of heart failure observed in emergency departments, ambulatory clinics, and hospitals. Am J Cardiol. 2018 Jun 1;121(11):1328-35. doi: 10.1016/j.amjcard.2018.02.014

Layton JB, Li D, Meier CR, Sharpless JL, Sturmer T, Brookhart MA. Injection testosterone and adverse cardiovascular events: a case-crossover analysis. Clin Endocrinol (Oxf). 2018 May;88(5):719-27. doi: 10.1111/cen.13574

Layton JB. Propensity score methods in observational research: introduction to concepts and analysis. Presented at the UNC School of Medicine, Gastrointestinal Epidemiology Seminar; February 14, 2018. Chapel Hill, NC.

Becker-Dreps S, Butler AM, McGrath LJ, Boggess KA, Weber DJ, Li D, Hudgens MG, Layton JB. Effectiveness of prenatal Tdap immunization in the prevention of infant pertussis in the US. Presented at the 34th ICPE International Conference on Pharmacoepidemiology & Therapeutic Risk Management; August 25, 2018. Prague, Czech Republic. [abstract] Adv Pharmacoepidemiol Drug Saf. 2018; 27(S2):169. doi: 10.1002/pds.4629

Christiansen S, Christensen S, Pedersen L, Gammelager H, Layton JB, Brookhart MA, Christiansen CF. Timing of renal replacement therapy and long-term risk of chronic kidney disease and death in intensive care patients with acute kidney injury. Crit Care. 2017 Dec 28;21(1):326. doi: 10.1186/s13054-017-1903-y

Camplain R, Kucharska-Newton A, Loehr L, Keyserling TC, Layton JB, Wruck L, Folsom AR, Bertoni AG, Heiss G. Accuracy of self-reported heart failure. The Atherosclerosis Risk in Communities (ARIC) Study. J Card Fail. 2017 Nov;23(11):802-8. doi: 10.1016/j.cardfail.2017.09.002

Becker-Dreps S, Butler AM, McGrath LJ, Boggess KA, Weber DJ, Dongmei L, Hudgens MG, Layton JB. Effectiveness of prenatal Tdap immunization in the prevention of infant pertussis in the United States. Presented at the IDWeek 2017 Conference; October 1, 2017. San Diego, CA. [abstract] Open Forum Infect Dis. 2017 Oct; 4(Suppl 1):S68. doi: 10.1093/ofid/ofx162.163

Butler AM, Layton JB, Krueger WS, McGrath LJ. Patterns of use of high-dose influenza vaccine in the U.S. dialysis population. Poster presented at the 33rd ICPE International Conference on Pharmacoepidemiology & Therapeutic Risk Management; August 28, 2017. Montreal, Canada. [abstract] Pharmacoepidemiol Drug Saf. 2017 Aug; 26(Suppl 2):71. doi: 10.1002/pds