Dataset Information

The Impact of Key Secular Trends During the first Three Waves the COVID-19 Pandemic.

ABSTRACT:

Importance

Patient age, comorbidity burden, and disease severity at presentation are the major factors associated with surviving COVID-19. Hospital-level factors including ICU occupancy may confer additional risk to individual patients, particularly at times of maximal stress on healthcare systems. The interaction of patient- and hospital-level factors over time during pandemic disease remains an area of active exploration.

Objective

To determine the impact of patient and hospital risk factors during episodic surges, characterize severity distribution between waves, and evaluate patient-level impact of ICU capacity on COVID-19 survivorship.

Design

Retrospective cohort study SETTING: : Four acute care hospitals within an integrated healthcare network in San Diego, California PARTICIPANTS: : all patients (18+ y.o.) admitted with a positive PCR test for SARS-CoV-2 or ICD-10 code for COVID-19 from March 1, 2020 though June 30, 2021 MAIN OUTCOME(S) AND MEASURE(S): : patient survivorship and length of stay RESULTS: : 6,851 patients were evaluated in this large cohort series. Patient level factors associated with mortality included: severity at admission (WHO Clinical Progression Score [WCPS]), age, gender, BMI, marital status, language preference, Elixhauser score, elevated laboratory (d-dimer, ferritin, LDH) or lower absolute lymphocyte count. When adjusting for patient age alone, survivorship during surges was also inversely associated with ICU occupancy, though this correlation was not present when adjusted for patient-level factors.

Conclusions and relevance

Patient age, comorbidity burden, and severity at the time of presentation are the major factors associated with surviving COVID-19. Hospital-level factors including ICU occupancy may confer additional risk to individual patients, particularly at times of maximal stress on healthcare systems.

SUBMITTER: Lichtenstein BJ

PROVIDER: S-EPMC9239923 | biostudies-literature |

REPOSITORIES: biostudies-literature

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