Which of these best summarizes the authors argument? rockwood

1. Lewis  E, Breckons  M, Lee  R, Dotchin  C, Walker  R. Rationing care by frailty during the COVID-19 pandemic. Age Ageing  2020. [PMC free article] [PubMed] [Google Scholar]

2. Hewitt  J, Carter  B, Vilches-Moraga  A  et al.  The effect of frailty on survival in patients with COVID-19 (COPE): a multicentre, European, observational cohort study [published online ahead of print, 2020 Jun 30]. Lancet Public Health  2020; 5: e444–e451. [PMC free article] [PubMed] [Google Scholar]

3. https://www.nice.org.uk/guidance/NG159 (14 July 2020, date last accessed).

4. https://www.nice.org.uk/guidance/ng159/resources/critical-care-admission-algorithm-pdf-8708948893

5. Brocklehurst  JC. Geriatric services and the day hospital. In: Brocklehurst  JC, ed. Textbook of Geriatric Medicine & Gerontology, 2nd edition. London: Churchill Livingston, 1978; 747–62. [Google Scholar]

6. Hubbard  RE, Maier  AB, Hilmer  SN, Naganathan  V, Etherton-Beer  C, Rockwood  K. Frailty in the face of COVID-19. Age Ageing  2020; 49: 499–500. [PMC free article] [PubMed] [Google Scholar]

7. Rockwood  K, Song  X, MacKnight  C  et al.  A global clinical measure of fitness and frailty in elderly people. CMAJ  2005; 173: 489–95. [PMC free article] [PubMed] [Google Scholar]

8. Conroy  S. The acute frailty network - supporting people with frailty and urgent care needs to get home sooner and healthier. Future Health J  2019; 6: 109. [PMC free article] [PubMed] [Google Scholar]

9. Ellis  HL, Wan  B, Yeung  M  et al.  Complementing chronic frailty assessment at hospital admission with an electronic frailty index (FI-Laboratory) comprising routine blood test results. CMAJ  2020; 192: E3–8. [PMC free article] [PubMed] [Google Scholar]

10. Pulok  MH, Theou  O, van der  Valk  AM, Rockwood  K. The role of illness acuity on the association between frailty and mortality in emergency department patients referred to internal medicine [Published correction in 2020 Jul 24]. Age Ageing  2020: afaa153. doi: 10.1093/ageing/afaa153. [PMC free article] [PubMed] [CrossRef] [Google Scholar]

11. Darvall  JN, Bellomo  R, Paul  E  et al.  Frailty in very old critically ill patients in Australia and New Zealand: a population-based cohort study. Med J Aust  2019; 211: 318–23. [PubMed] [Google Scholar]

12. Muscedere  J, Waters  B, Varambally  A  et al.  The impact of frailty on intensive care unit outcomes: a systematic review and meta-analysis. Intensive Care Med  2017; 43: 1105–22. [PMC free article] [PubMed] [Google Scholar]

13. Aucoin  SD, Hao  M, Sohi  R  et al.  Accuracy and feasibility of clinically applied frailty instruments before surgery: a systematic review and meta-analysis. Anesthesiology  2020; 133: 78–95. [PubMed] [Google Scholar]

14. McIsaac  DI, Harris  EP, Hladkowicz  E  et al.  Prospective comparison of preoperative predictive performance between 3 leading frailty instruments. Anesth Analg  2020; 131: 263–72. [PubMed] [Google Scholar]

15. Fernando  SM, McIsaac  DI, Rochwerg  B  et al.  Frailty and invasive mechanical ventilation: association with outcomes, extubation failure, and tracheostomy. Intensive Care Med  2019; 45: 1742–52. [PubMed] [Google Scholar]

16. Rockwood  K, Howlett  SE. Age-related deficit accumulation and the diseases of ageing. Mech Ageing Dev  2019; 180: 107–16. [PubMed] [Google Scholar]

17. Davis  DH, Rockwood  MR, Mitnitski  AB, Rockwood  K. Impairments in mobility and balance in relation to frailty. Arch Gerontol Geriatr  2011; 53: 79–83. [PubMed] [Google Scholar]

18. Theou  O, Rockwood  MR, Mitnitski  A, Rockwood  K. Disability and co-morbidity in relation to frailty: how much do they overlap?  Arch Gerontol Geriatr  2012; 55: e1–8. [PubMed] [Google Scholar]

19. Bhatraju  PK, Ghassemieh  BJ, Nichols  M  et al.  Covid-19 in critically ill patients in the Seattle region - case series. N Engl J Med  2020; 382: 2012–22. [PMC free article] [PubMed] [Google Scholar]

20. Cummings  MJ, Baldwin  MR, Abrams  D  et al.  Epidemiology, clinical course, and outcomes of critically ill adults with COVID-19 in New York City: a prospective cohort study. Lancet  2020; 395: 1763–70. [PMC free article] [PubMed] [Google Scholar]

21. Fan  E, Beitler  JR, Brochard  L  et al.  COVID-19-associated acute respiratory distress syndrome: is a different approach to management warranted? [published online ahead of print, 2020 July 6]. Lancet Respir Med  2020; 8: 816–21. [PMC free article] [PubMed] [Google Scholar]

22. National Academies of Sciences, Engineering, and Medicine . Rapid Expert Consultation on Crisis Standards of Care for the COVID-19 Pandemic (March 28, 2020). Washington, DC: National Academies Press, 2020. https://www.nap.edu/catalog/25765/rapid-expert-consultation-on-crisis-standards-of-care-for-the-covid-19-pandemic-march-28-2020 (14 July 2020, date last accessed) [Google Scholar]

23. World Health Organization . Ethical Considerations in Developing a Public Health Response to Pandemic Influenza. https://www.who.int/csr/resources/publications/WHO_CDS_EPR_GIP_2007_2c.pdf (3 May 2020, date last accessed) p7.

24. Chase  J. Caring for frail older adults during COVID-19: integrating public health ethics into clinical practice [published online ahead of print, 2020 June 17]. J Am Geriatr Soc  2020; 68(8): 1666–70. [PMC free article] [PubMed] [Google Scholar]

25. Montero-Odasso  HDB, Lam  R  et al.  Age alone is not adequate to determine health-care resource allocation during the COVID-19 pandemic. Can Geriatric J  2020; 23: 155–9. [PMC free article] [PubMed] [Google Scholar]

26. Hatheway  OL, Mitnitski  A, Rockwood  K. Frailty affects the initial treatment response and time to recovery of mobility in acutely ill older adults admitted to hospital. Age Ageing  2017; 46: 920–5. [PubMed] [Google Scholar]

27. Rockwood  K, Theou  O. Using the Clinical Frailty Scale in allocating scare health care resources. Can Geriatr J  2020; 23: 210–15. [PMC free article] [PubMed] [Google Scholar]

28. https://play.google.com/store/apps/details?id=com.clinicalfrailtyscale  https://apps.apple.com/gb/app/clinical-frailty-scale-cfs/id1508556286