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Volume 19 Supplement 2

Danish Society for Emergency Medicine: Research Symposium 2011

  • Poster Presentation
  • Open Access

Does the number of doctors on call correlate with patient admission rates and patient morbidity at Danish Medical Admissions Units?

  • 1Email author,
  • 1,
  • 1 and
  • 2
Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine201219 (Suppl 2) :P15

  • Published:


  • Intensive Care Unit
  • Emergency Medicine
  • Early Warning
  • Case Complexity
  • Descriptive Study


The morbidity of patients admitted throughout the day and night may vary, but it is unknown whether the physician staffing vary in accordance with variations in caseload, and patient complexity.


This descriptive study use a mixture of methods. Data on staffing were retrieved from a cross-sectional study amongst all Danish MAUs. Data regarding admissions rates were retrieved from Sydvestjysk Sygehus (SVS) in Esbjerg registry. Modified Early Warning Score (MEWS) was calculated on all patients admitted to the MAU at SVS over three months. Data regarding admissions rats to intensive care unit (ICU) were collected from Hillerød Hospital. Data will be presented descriptively. X2-test and linear regression was used for analysis.


98% of all MAUs have a junior house officer (JHO) and 36% have a senior house officer (SHO), on call round the clock. All MAUs have a specialist registrar (SR) on call from 8 a.m. until 8 p.m. Seventy nine % of all admissions occur between 8 a.m. and 8 p.m. On average 34 % of the patients have more than two abnormal vital signs using the MEWS scale with no significant differences comparing the proportion of abnormal vital signs from 8 a.m.-8 p.m., 8 p.m.-11 p.m. and 11 p.m.-8 a.m., p = 0.44. Approximately 70 % of all admissions to the ICU occurs between 8 a.m. and 8 p.m., 10% from 8 p.m. to 11 p.m. and 20% from 11 p.m. to 08 a.m., p < 0.001, where all patients are admitted by a specialist registrar. There is a significant correlation between the proportion of JHO on call and the proportion of admissions to MAU (r = 0.80) and the ICU (r = 0.93), and a significant correlation between the proportion of SR on call and proportion of admissions to MAU (r = 0.86) and the ICU (r = 0.91). However, there is no significant correlation between the proportion of SR on call and the proportion of abnormal vitals signs (r = -0.23).


At the Danish MAUs, the staffing correlates to the patient admissions rate. However, staffing experience does not correlate with case complexity in on-call hours.

Authors’ Affiliations

Danish Society for Emergency Medicine, Denmark
Intensivafsnittet 0531, Nordsjælands Hospital, Hilleroed, Denmark


© Folkestad et al; licensee BioMed Central Ltd. 2012

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.