178
Views
0
CrossRef citations to date
0
Altmetric
ORIGINAL RESEARCH

Validity of Algorithm for Classification of In- and Outpatient Hospital Contacts in the Danish National Patient Registry

ORCID Icon, ORCID Icon & ORCID Icon
Pages 1561-1570 | Received 28 Jun 2022, Accepted 28 Nov 2022, Published online: 16 Dec 2022

References

  • Schmidt M, Schmidt SAJ, Sandegaard JL, Ehrenstein V, Pedersen L, Sørensen HT. The Danish National Patient Registry, a review of content, data quality, and research potential. Clin Epidemiology. 2015;7:449–490. doi:10.2147/CLEP.S91125
  • Thygesen LC, Ersbøll AK. When the entire population is the sample, strengths and limitations in register-based epidemiology. Eur J Epidemiol. 2014;29(8):551–558. doi:10.1007/s10654-013-9873-0
  • Lynge E, Sandegaard JL, Rebolj M. The Danish National Patient Register. Scand J Public Health. 2011;39(7 Suppl):30–33. doi:10.1177/1403494811401482
  • Statens Serum Institut. Report on COVID-19 related in-hospital admissions during the SARS-CoV-2 pandemic; 2022. Available from, https://covid19.ssi.dk/-/media/cdn/files/fokusrapport-om-covid-19-relaterede-hospitalsindlggelser-under-sars-cov-2-epidemien_06012022_1.pdf?la=da. Accessed June 26, 2022.
  • Bodilsen J, Nielsen PB, Søgaard M, et al. Hospital admission and mortality rates for non-covid diseases in Denmark during covid-19 pandemic, nationwide population based cohort study. BMJ. 2021;373:n1135. doi:10.1136/bmj.n1135
  • Lund LC, Kristensen KB, Reilev M, et al. Adverse outcomes and mortality in users of non-steroidal anti-inflammatory drugs who tested positive for SARS-CoV-2, A Danish nationwide cohort study. PLoS Med. 2020;17(9):e1003308. doi:10.1371/journal.pmed.1003308
  • Kildegaard H, Lund LC, Højlund M, Stensballe LG, Pottegård A. Risk of adverse events after covid-19 in Danish children and adolescents and effectiveness of BNT162b2 in adolescents, cohort study. BMJ. 2022;377:e068898. doi:10.1136/bmj-2021-068898
  • Dalager-Pedersen M, Lund LC, Mariager T, et al. Venous thromboembolism and major bleeding in patients with COVID-19, A nationwide population-based cohort study. Clin Infect Dis. 2021;73(12):ciab003.
  • Bager P, Wohlfahrt J, Fonager J, et al. Risk of hospitalisation associated with infection with SARS-CoV-2 lineage B.1.1.7 in Denmark, an observational cohort study. Lancet Infect Dis. 2021;21(11):1507–1517.
  • Bager P, Wohlfahrt J, Bhatt S, et al. Risk of hospitalisation associated with infection with SARS-CoV-2 omicron variant versus delta variant in Denmark, an observational cohort study. Lancet Infect Dis. 2022;22(7):967–976. doi:10.1016/S1473-3099(22)00154-2
  • Statistics Denmark. Available from, https://statbank.dk/statbank5a/default.asp?w=1920. Accessed June 26, 2022.
  • Schmidt M, Pedersen L, Sørensen HT. The Danish civil registration system as a tool in epidemiology. Eur J Epidemiol. 2014;29(8):541–549. doi:10.1007/s10654-014-9930-3
  • The Danish Board of Health. The Danish National Patient Registry Through 25 Years, 1977–2002. Copenhagen; 2003.
  • Frank L. Epidemiology. When an entire country is a cohort. Science. 2000;287(5462):2398–2399. doi:10.1126/science.287.5462.2398
  • Jürgensen HJ, Frølund C, Gustafsen J, Mosbech H, Guldhammer B, Mosbech J. Registration of diagnoses in the Danish National Registry of Patients. Methods Inf Med. 1986;25(3):158–164. doi:10.1055/s-0038-1635466
  • The Danish Board of Health. Evaluering af Landspatientregisteret 1990. Hospital Statistics. 1993;1993:57.
  • Division of Health Planning at C.F. Møller on behalf of the Danish Board of Health. Project concerning the data quality in the Danish National Patient Registry [in Danish, Projekt vedrørende datakvalitet i Landspatientregisteret]; 2004.
  • Bernstorff M, Hansen L, Perfalk E, Danielsen AA, Østergaard SD. Stability of diagnostic coding of psychiatric outpatient visits across the transition from the second to the third version of the Danish National Patient Registry. Acta Psychiat Scand. 2022;146(3):272–283. doi:10.1111/acps.13463