Hardt, Juliane (Dipl.-Psych., Certified Data Scientist)
Biometrie / Statistik, Studiendesign & Methodik, Epidemiologie, Versorgungsforschung, Evidenzbasierte Medizin, Psychometrie
Telefon: +49 234 32 17537
Telefax: +49 234 32 27922
Selected Publications
Methodological Publications:
Zapf A, Voeltz D, Frömke C, Hardt J, Rücker G, Hoyer A. A systematic comparison of different approaches for meta-analysis of diagnostic accuracy studies with multiple thresholds – A simulation study. Biometrical Journal, 66(7), e202300101, DOI: doi.org/10.1002/bimj.202300101. Repository: https://zenodo.org/records/7802090#.ZC1i8oTP02w.
Hardt J, Rathjens L, Fingerhut I, Martin D, Jenetzky E. Analyses of bias and confounding in health-care studies with Zelen design: introducing a FeverApp for patients of pediatric practices. German Medical Science GMS Publishing House; 2024. DocAbstr. 1105.DOI:10.3205/24gmds122.
Hoffmann W*, Latza U*, Baumeister SE, Brünger M, Buttmann-Schweiger N, Hardt J, Hoffmann V, Karch A, Richter A, Schmidt CO, Schmidtmann I, Swart E, van den Berg N. Guidelines and recommendations for ensuring Good Epidemiological Practice (GEP): a guideline developed by the German Society for Epidemiology. European Journal of Epidemiology. 2019; 34(3): 301–17. DOI: 10.1007/s10654-019-00500-x. (*shared first authorship)
Markes M, Mensch M, Hardt J, Scheibler F. [Evaluation of Diagnostics: An evolution against the background of "personalized" medicine by the example of the primary mamma carcinoma]. IQWiG Autumn Symposium 2014:
https://www.iqwig.de/veranstaltungen/iqwig-symposium_2014_poster_evaluation_von_diagnostik.pdf
(Study designs of diagnostic-therapeutic studies)
March S, Iskenius M, Hardt J, Swart E. [Methodological considerations for data linkage of primary and secondary data in occupational epidemiology studies]. Bundesgesundheitsblatt – Gesundheitsforschung – Gesundheitsschutz. 2013; 56(4): 571-8. DOI: 10.1007/s00103-013-1682-9.
Hardt J, Brendler C, Greiser KH, Timmer A, Seidler A, Weikert C, Latza U. [Directed Acyclic Graphs (DAGs) – Basic Concepts and Application of an Approach for Causal Analyses in Epidemiology]. (Editorial). Gesundheitswesen. 2011; 73(12): 878-9. DOI: 10.1055/s-0031-1287844.
Schipf S, Knüppel S, Hardt J, Stang A. [Directed Acyclic Graphs (DAGs) – The Application of Causal Diagrams in Epidemiology]. Gesundheitswesen. 2011; 73(12): 888-92. DOI: 10.1055/s-0031-1291192.
Textor J, Hardt J, Knüppel S. DAGitty: A Graphical Tool for Analyzing Causal Diagrams. Epidemiology. 2011; 22(5): 745. DOI: 10.1097/EDE.0b013e318225c2be.
Hardt J, Knüppel S, Stang A, Foraita R, Timmer A. [Causal Graphs (DAGs II): Introduction, Aspects and Outlook for the Application of Causal Graphs (Directed Acyclic Graphs) in Epidemiology.] German Medical Science GMS Publishing House; 2012. Doc12gmds227. doi: 10.3205/12gmds227, urn:nbn:de:0183-12gmds2274
Hardt J, Schmidt CO, Steyer R, Timmer A. Structural Equation Models (SEM): Einführung in die Methodik der Strukturgleichungsmodelle und ihre Anwendung in der Epidemiologie. German Medical Science GMS Publishing House; 2012. Doc12gmds231. doi: 10.3205/12gmds231, urn:nbn:de:0183-12gmds2316
Hardt J, Maske UE, Hapke U, Mueller M, Grill E, Balzer K, Köpke S, Moock J, Loerbroks A, Schmidt CO, Busch MA, Riedel-Heller S, Jacobi F. Diagnostic Studies II: Development and validation of questionnaires, scales and (clinical) scores – psychometrics, clinimetrics and applications of test theories in epidemiology. Methods workshop by DGEpi Working groups Epidemiologic Methods and Neurological and Psychiatric Diseases. 2012 DGEpi Annual Conference.
Medical Research (Clinical Research, Health Care Research, Clinical Epidemiology, Prevention):
Khadzhynov D*, Schmidt D*, Hardt J, Rauch G, Gocke P, Eckardt KU, Schmidt-Ott KM: The incidence of acute kidney injury and associated hospital mortality – a retrospective cohort study of over 100 000 patients at Berlin‘s Charité hospital. Dtsch Arztebl Int 2019; 116: 397-404. DOI: 10.3238/arztebl.2019.0397. (*shared first authorship)
Lüdemann WM, Kahn JF, Pustelnik D, Hardt J, Böning G, Jonczyk M, Amthauer H, Gebauer B, Hamm B, Wieners G. Yttrium-90 radioembolization for unresectable hepatocellular carcinoma: predictive modeling strategies to anticipate tumor response and improve patient selection. Eur Radiol 2022; 32: 4687–98. DOI: 10.1007/s00330-022-08585-x.
Leveringhaus E, Cagatay GN, Hardt J, Becher P & Postel A. Different impact of bovine complement regulatory protein 46 (CD46bov) as a cellular receptor for members of the species Pestivirus H and Pestivirus G, Emerging Microbes & Infections. 2021; 11(1). DOI: 10.1080/22221751.2021.2011620.
Tuncer MS, Salvati LF, Grittner U, Hardt J, Schilling R, Bährend I, Silva LL, Fekonja LS, Faust K, Vajkoczy P, Rosenstock T, Picht T. Towards a tractography-based risk stratification model for language area associated gliomas. NeuroImage: Clinical. 2021; 29: 2021#102541. DOI: 10.1016/j.nicl.2020.102541.
Conti A, Acker A, Pontoriero A, Hardt J, Kluge A, Cacciola A, Iatì G, Kufeld M, Budach V, Vajkoczy P, Beltramo G, Pergolizzi S, Bergantin A, Loebel F, Parisi S, Senger C, Romanelli P. Factors affecting outcome in frameless non-isocentric stereotactic radiosurgery for trigeminal neuralgia: a multicentric cohort study. Radiation Oncology. 2020; 15(1), 115. DOI: 10.1186/s13014-020-01535-1.
Kühnisch J, Herbst C, Al-Wakeel-Marquard N, Dartsch J, Holtgrewe M, Baban A, Mearini G, Hardt J, Kolokotronis K, Gerull B, Carrier L, Beule D, Schubert S, Messroghli D, Degener F, Berger F, Klaassen S. Targeted panel sequencing in pediatric primary cardiomyopathy supports a critical role of TNNI3. Clin Genet. 2019; 96(6): 549-59. DOI: 10.1111/cge.13645.
Dziodzio T, Jara M, Weiss S, Ritschl PV, Denecke C, Biebl M, Gerlach U, Reinke P, Hardt J, Pratschke J, Öllinger R. Effects of expanded allocation programs and organ and recipient quality metrics on transplant-related costs in kidney transplantation – an institutional analysis. Transpl Int. 2019; 32(10): 1074-8. DOI: 10.1111/tri.13463.
Aarnio K, Rodríguez-Pardo J, Siegerink B, Hardt J, Broman J, Tulkki L, Haapaniemi E, Kaste M, Tatlisumak T, Putaala J. Return to work after ischemic stroke in young adults: A registry-based follow-up study. Neurology. 2018; 91(20): e1909-17. DOI: 10.1212/WNL.0000000000006510.
Galatsch M, Hardt J, Schmidt SG, Nienhaus A, Müller BH, Hasselhorn HM. Work-related factors and individual predictors of self-reported burnout among nurses in Europe – results from the longitudinal Nurses’ Early Exit-Study (NEXT). Conference Paper at 4th International Scientific Conference on Nursing and Health Care Research. Lubljana (Slovenia), Vol.: 2012: 106-117. /
Hardt J, Galatsch M, Schmidt SG, Müller BH. Predictors of self-reported burnout in nurses: work-related vs. individual factors in the European longitudinal Nurses' Early Exit-Study (NEXT). Comparing national differences and multivariate models. German Medical Science GMS Publishing House; 2011. Doc11gmds268. doi: 10.3205/11gmds268, urn:nbn:de:0183-11gmds2681
Bokemeyer B, Hardt J, Hüppe D, Prenzler A, Conrad S, Düffelmeyer M, Hartmann P, Hoffstadt M, Klugmann T, Schmidt C, Weismüller J, Mittendorf T, Raspe H. Clinical status, medical treatment, psychological impairments and healthcare costs for patients with inflammatory bowel disease (IBD) in Germany: an online IBD registry. Journal of Crohns& Colitis. 2013; 7(5): 355-68. Published online: Apr11, 2012. DOI: 10.1016/j.crohns.2012.02.014.
Hardt J, Conrad S, Borowski C, Raspe H. Epidemiology of depression and distress in patients with inflammatory bowel disease (IBD) and validation of an indicator scale of perceived stress for psychosocial impairments. Dec 2011. European Psychiatry 26(S2):2217-2218. DOI: 10.1016/S0924-9338(11)73920-7.
Scherer M, Hardt J, Blozik E, Preiss JC, Bokemeyer B, Hüppe A, Raspe H. [Pharmacotherapy in Patients with Ulcerative Colitis]. Z Gastroenterol. 2011; 49(7): 820-6. Epub 2011 Jul 15. DOI: 10.1055/s-0031-1273276.
Hardt J, Muche-Borowski C, Conrad S, Balzer K, Bokemeyer B, Raspe H. [Inflammatory Bowel Diseases as Multi-Focal Disorders: Results from a Multi-Regional Survey on Bodily and Psychosocial Problems in IBD Patients]. Z Gastroenterol 2010; 48(3): 381-91. eFirst publication: 02.12.2009, DOI: 10.1055/s-0028-1109524.
find more publications on PubMed or ResearchGate