Development and Validation of the COVID-NoLab and COVID-SimpleLab Risk Scores for Prognosis in 6 US Health Systems

References

1. 1.↵
   Johns Hopkins COVID-19 Dashboard. Available from: https://coronavirus.jhu.edu/map.html. Accessed June 27, 2020.
2. 2.↵
   1. Stringhini S,
   2. Wisniak A,
   3. Piumatti G,
   4. et al

   . Seroprevalence of anti-SARS-CoV-2 IgG antibodies in Geneva, Switzerland (SEROCoV-POP): a population-based study. Lancet 2020;396(10247):P313–9.

   OpenUrl
3. 3.↵
   1. Verity R,
   2. Okell LC,
   3. Dorigatti I,
   4. et al

   . Estimates of the severity of coronavirus disease 2019: a model-based analysis. Lancet Infect Dis 2020;20(6):669–77.

   OpenUrlCrossRefPubMed
4. 4.↵
   1. Wu C,
   2. Chen X,
   3. Cai Y,
   4. et al

   . Risk factors associated with acute respiratory distress syndrome and death in patients with coronavirus disease 2019 pneumonia in Wuhan, China. JAMA Intern Med 2020;180:934.

   OpenUrlPubMed
5. 5.↵
   1. Zhou F,
   2. Yu T,
   3. Du R,
   4. et al

   . Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study. Lancet 2020;395(10229):1054–62.

   OpenUrlCrossRefPubMed
6. 6.↵
   1. Fu L,
   2. Wang B,
   3. Yuan T,
   4. et al

   . Clinical characteristics of coronavirus disease 2019 (COVID-19) in China: A systematic review and meta-analysis. J Infect 2020;80(6):656–65.

   OpenUrlCrossRefPubMed
7. 7.↵
   1. Moutchia J,
   2. Pokharel P,
   3. Kerri A,
   4. et al

   . Clinical laboratory parameters associated with severe or critical novel coronavirus disease 2019 (COVID-19): a systematic review and meta-analysis. PLoS One 2020;15(10):e239802.

   OpenUrl
8. 8.↵
   1. Liang W,
   2. Liang H,
   3. Ou L

   , for the China Medical Treatment Expert Group for COVID-19, et al. Development and validation of a clinical risk score to predict the occurrence of critical illness in hospitalized patients with COVID-19. JAMA Intern Med 2020;180:1081.

   OpenUrl
9. 9.↵
   1. Lu J,
   2. Hu S,
   3. Fan R,
   4. et al

   . ACP risk grade: a simple mortality index for patients with confirmed or suspected severe acute respiratory syndrome coronavirus 2 disease (COVID-19) during the early stage of outbreak in Wuhan. medRxiv. Preprint posted online February 23, 2020.
10. 10.↵
    1. Xie J,
    2. Hungerford D,
    3. Chen H,
    4. Abrams ST

    . Development and external validation of a prognostic multivariable model on admission for hospitalized patients with COVID-19. medrxiv.org. Preprint posted online April 7, 2020.
11. 11.↵
    1. Yan L,
    2. Zhang H-T,
    3. Xiao Y,
    4. Wang M

    . Prediction of criticality in patients with severe Covid-19 infection using three clinical features. medrxiv.org. Preprint posted online March 3, 2020.
12. 12.↵
    1. Galloway JB,
    2. Norton S,
    3. Barker RD,
    4. et al

    . A clinical risk score to identify patients with COVID-19 at high risk of critical care admission or death: an observational cohort study. J Infect 2020;81(2):282–8.

    OpenUrlCrossRefPubMed
13. 13.↵
    Agency for Healthcare Research and Quality Healthcare Cost and Utilization Project website. 2020. Available from: https://www.hcup-us.ahrq.gov/.
14. 14.↵
    1. Hocking RR

    . The analysis and selection of variables in linear regression. Biometrics 1976;32:1.

    OpenUrlCrossRefWeb of Science
15. 15.↵
    1. Xie J,
    2. Hungerford D,
    3. Chen H,
    4. et al

    . Development and external validation of a prognostic multivariable model on admission for hospitalized patients with COVID-19. SSRN Electron J. Preprint posted online April 6, 2020.
16. 16.↵
    1. Hardy V,
    2. Thompson M,
    3. Keppel GA,
    4. et al

    . Qualitative study of primary care clinicians’ views on point-of-care testing for C-reactive protein for acute respiratory tract infections in family medicine. BMJ Open 2017;7:e012503.

    OpenUrlAbstract/FREE Full Text
17. 17.↵
    1. Howick J,
    2. Cals JWL,
    3. Jones C,
    4. et al

    . Current and future use of point-of-care tests in primary care: an international survey in Australia, Belgium, The Netherlands, the UK and the USA. BMJ Open 2014;4:e005611–e005611.

    OpenUrlAbstract/FREE Full Text