(1) Canadian Institute for Health Information. Care in Canadian ICUs. Ottawa, ON: CIHI; 2016.
(2) Fowler RA, Abdelmalik P, Wood G, Foster D, Gibney N, Bandrauk N, et al. Critical care capacity in Canada: results of a national cross-sectional study. Crit Care. 2015; 19(1):133.
(3) Rewa OG, Stelfox HT, Ingolfsson A, Zygun DA, Featherstone R, Opgenorth D, et al. Indicators of intensive care unit capacity strain: a systematic review. Crit Care. 2018,;22(1):86.
(4) Vollam S, Dutton S, Lamb S, Petrinic T, Young J, Watkinson P. Out-of-hours discharge from intensive care, in-hospital mortality and intensive care readmission rates: a systematic review and meta-analysis. Intensive Care Med 2018;44(7):1115-1129.
(5) Yang S, Wang Z, Liu Z, Wang J, Ma L. Association between time of discharge from ICU and hospital mortality: a systematic review and meta-analysis. Crit Care. 2016;20(1):390.
(6) Wagner J, Gabler NB, Ratcliffe SJ, Brown SES, Strom BL, Halpern SD. Outcomes Among Patients Discharged From Busy Intensive Care Units. Annals of Internal Medicine 2013;159(7):447-455.
(7) Bagshaw SM, Wang X, Zygun DA, Zuege D, Dodek P, Garland A, et al. Association between strained capacity and mortality among patients admitted to intensive care: A path-analysis modeling strategy. Journal of Critical Care 2018;43:81-87.
(8) Gantner D, Farley K, Bailey M, Huckson S, Hicks P, Pilcher D. Mortality related to after-hours discharge from intensive care in Australia and New Zealand, 2005–2012. Intensive Care Med 2014;40(10):1528-1535.
(9) Pilcher DV, Duke GJ, George C, Bailey MJ, Hart G. After-hours discharge from intensive care increases the risk of readmission and death. Anaesth Intensive Care 2007;35(4):477-485.
(10) Santamaria JD, Duke GJ, Pilcher DV, Cooper DJ, Moran J, Bellomo R. The Timing of Discharge from the Intensive Care Unit and Subsequent Mortality. A Prospective, Multicenter Study. Am J Respir Crit Care Med. 2015;191(9):1033-1039.
(11) Tobin AE, Santamaria JD. After‐hours discharges from intensive care are associated with increased mortality. Medical Journal of Australia. 2006;184(7):334-337.
(12) Fergusson NA, Ahkioon S, Nagarajan M, Park E, Ding Y, Ayas N, et al. Association of intensive care unit occupancy during admission and inpatient mortality: a retrospective cohort study. Can J Anaesth. 2020;67(2):213-224.
(13) Iwashyna T, Kramer A, Kahn J. Intensive care unit occupancy and patient outcomes. Crit Care Med. 2009;37(5):1545-1557.
(14) Gabler NB, Ratcliffe SJ, Wagner J, Asch DA, Rubenfeld GD, Angus DC, et al. Mortality among Patients Admitted to Strained Intensive Care Units. Am J Respir Crit Care Med. 2013;188(7):800-806.
(15) Yergens DW, Ghali WA, Faris PD, Quan H, Jolley RJ, Doig CJ. Assessing the association between occupancy and outcome in critically Ill hospitalized patients with sepsis. BMC Emerg Med. 2015;15(1):31.
(16) von Elm E, Altman DG, Egger M, Pocock SJ, Gøtzsche PC, Vandenbroucke JP. The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies. PLoS Med. 2007;4(10):e296.
(17) Vincent J-, Moreno R, Takala J, Willatts S, Mendon AD, Bruining H, et al. The SOFA (Sepsis-related Organ Failure Assessment) score to describe organ dysfunction/failure. Intensive Care Med. 1996;22(7):707-710.
(18) Thompson H, Spiers P. Occupancy of a teaching hospital adult intensive care unit by high dependency patients. Anaesthesia 1998;53(6):589-592.
(19) Tierney LT, Conroy KM. Optimal occupancy in the ICU: A literature review. Australian Critical Care 2014;27(2):77-84.
(20) Tiruvoipati R, Botha J, Fletcher J, Gangopadhyay H, Majumdar M, Vij S, et al. Intensive care discharge delay is associated with increased hospital length of stay: A multicentre prospective observational study. PloS One 2017;12(7):e0181827.
(21) Christiansen C, Flaatten H. Out-of-hours discharge from intensive care: certain about uncertainty. Intensive Care Med 2018;44(9):1545-1547.
(22) Hall AM, Stelfox HT, Wang X, Chen G, Zuege DJ, Dodek P, et al. Association between afterhours admission to the intensive care unit, strained capacity, and mortality: a retrospective cohort study. Crit Care. 2018;22(1):97.
(23) Brown SES, Ratcliffe SJ, Kahn JM, Halpern SD. The Epidemiology of Intensive Care Unit Readmissions in the United States. Am J Respir Crit Care Med. 2012;185(9):955-964.
(24) Kramer AA, Higgins TL, Zimmerman JE. Intensive care unit readmissions in U.S. hospitals: patient characteristics, risk factors, and outcomes. Crit Care Med. 2012;40(1):3-10.
(25) Singh MY, Nayyar V, Clark PT, Kim C. Does After-hours Discharge of ICU Patients Influence Outcome? Crit Care and Resusc. 2010;12(3):156-161.
(26) Chrusch CA, Olafson KP, McMillan PM, Roberts DE, Gray PR. High occupancy increases the risk of early death or readmission after transfer from intensive care. Crit Care Med. 2009;37(10):2753-2758.
(27) Blayney MC, Donaldson L, Smith P, Wallis C, Cole S, Lone NI. Intensive care unit occupancy and premature discharge rates: A cohort study assessing the reporting of quality indicators. J Crit Care. 2020;55:100-107.
(28) Al-Omari A, Al Mutair A, Aljamaan F. Outcomes of rapid response team implementation in tertiary private hospitals: a prospective cohort study. Int J Emerg Med. 2019;12(1):1-5.
(29) Opgenorth D, Stelfox HT, Gilfoyle E, Gibney RTN, Meier M, Boucher P, et al. Perspectives on strained intensive care unit capacity: A survey of critical care professionals. PloS One. 2018;13(8):e0201524.
(30) Dodek, Peter M., Wong H, Norena M, Ayas Najib, Reynolds SC, Keenan, Sean P., et al. Moral distress in intensive care unit professionals is associated with profession, age, and years of experience. J of Crit Care. 2016;31(1):178-182.
(31) Johnson-Coyle L, Opgenorth D, Bellows M, Dhaliwal J, Richardson-Carr S, Bagshaw SM. Moral distress and burnout among cardiovascular surgery intensive care unit healthcare professionals: A prospective cross-sectional survey. Can J Crit Care Nurs. 2016;27(4):27-36