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The Impact of Charlson Comorbidity Index on the Functional Capacity of COVID-19 Survivors: A Prospective Cohort Study with One-Year Follow-Up

Author

Listed:
  • Rodrigo Núñez-Cortés

    (Physiotherapy in Motion Multispeciality Research Group (PTinMOTION), Department of Physiotherapy, University of Valencia, 46010 Valencia, Spain
    Department of Physical Therapy, Faculty of Medicine, University of Chile, Santiago 8380286, Chile
    Service of Physical Therapy, Hospital Clínico La Florida, Santiago 8240000, Chile)

  • Constanza Malhue-Vidal

    (Service of Physical Therapy, Hospital Clínico La Florida, Santiago 8240000, Chile)

  • Florencia Gath

    (Service of Physical Therapy, Hospital Clínico La Florida, Santiago 8240000, Chile)

  • Gonzalo Valdivia-Lobos

    (Service of Physical Therapy, Hospital Clínico La Florida, Santiago 8240000, Chile)

  • Rodrigo Torres-Castro

    (Department of Physical Therapy, Faculty of Medicine, University of Chile, Santiago 8380286, Chile
    Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain)

  • Carlos Cruz-Montecinos

    (Physiotherapy in Motion Multispeciality Research Group (PTinMOTION), Department of Physiotherapy, University of Valencia, 46010 Valencia, Spain
    Department of Physical Therapy, Faculty of Medicine, University of Chile, Santiago 8380286, Chile
    Section of Research, Innovation and Development in Kinesiology, Kinesiology Unit, San José Hospital, Santiago 8380286, Chile)

  • Francisco M. Martinez-Arnau

    (Physiotherapy in Motion Multispeciality Research Group (PTinMOTION), Department of Physiotherapy, University of Valencia, 46010 Valencia, Spain)

  • Sofía Pérez-Alenda

    (Physiotherapy in Motion Multispeciality Research Group (PTinMOTION), Department of Physiotherapy, University of Valencia, 46010 Valencia, Spain)

  • Rubén López-Bueno

    (Department of Physical Medicine and Nursing, University of Zaragoza, 50009 Zaragoza, Spain
    National Research Centre for the Working Environment, 2100 Copenhagen, Denmark)

  • Joaquín Calatayud

    (National Research Centre for the Working Environment, 2100 Copenhagen, Denmark
    Exercise Intervention for Health Research Group (EXINH-RG), Department of Physiotherapy, University of Valencia, 46010 Valencia, Spain)

Abstract

Objective: To determine the association between the Charlson comorbidity index (CCI) score after discharge with 6-min walk test (6MWT) 1 year after discharge in a cohort of COVID-19 survivors. Methods: In this prospective study, data were collected from a consecutive sample of patients hospitalized for COVID-19. The CCI score was calculated from the comorbidity data. The main outcome was the distance walked in the 6MWT at 1 year after discharge. Associations between CCI and meters covered in the 6MWT were assessed through crude and adjusted linear regressions. The model was adjusted for possible confounding factors (sex, days of hospitalization, and basal physical capacity through sit-to-stand test one month after discharge). Results: A total of 41 patients were included (mean age 58.8 ± 12.7 years, 20/21 men/women). A significant association was observed between CCI and 6MWT (meters): (i) crude model: β = −18.7, 95% CI = −34.7 to −2.6, p < 0.05; (ii) model adjusted for propensity score including sex, days of hospitalization, and sit-to-stand: β = −23.0, 95% CI = −39.1 to −6.8, p < 0.05. Conclusions: A higher CCI score after discharge indicates worse performance on the 6MWT at 1-year follow-up in COVID-19 survivors. The CCI score could also be used as a screening tool to make important clinical decisions.

Suggested Citation

  • Rodrigo Núñez-Cortés & Constanza Malhue-Vidal & Florencia Gath & Gonzalo Valdivia-Lobos & Rodrigo Torres-Castro & Carlos Cruz-Montecinos & Francisco M. Martinez-Arnau & Sofía Pérez-Alenda & Rubén Lópe, 2022. "The Impact of Charlson Comorbidity Index on the Functional Capacity of COVID-19 Survivors: A Prospective Cohort Study with One-Year Follow-Up," IJERPH, MDPI, vol. 19(12), pages 1-9, June.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:12:p:7473-:d:841929
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    References listed on IDEAS

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    1. Alexandra Strassmann & Claudia Steurer-Stey & Kaba Lana & Marco Zoller & Alexander Turk & Paolo Suter & Milo Puhan, 2013. "Population-based reference values for the 1-min sit-to-stand test," International Journal of Public Health, Springer;Swiss School of Public Health (SSPH+), vol. 58(6), pages 949-953, December.
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