Association between platelet parameters and mortality in coronavirus disease 2019: Retrospective cohort study

Background Thrombocytopenia has been implicated in patients infected with severe acute respiratory syndrome coronavirus 2, while the association of platelet count and changes with subsequent mortality remains unclear. Methods The clinical and laboratory data of 383 patients with the definite outcome...

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Main Authors: Yanli Liu, Wenwu Sun, Yanan Guo, Liangkai Chen, Lijuan Zhang, Su Zhao, Ding Long, Li Yu
Format: Article
Language:English
Published: Taylor & Francis Group 2020-05-01
Series:Platelets
Subjects:
Online Access:http://dx.doi.org/10.1080/09537104.2020.1754383
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author Yanli Liu
Wenwu Sun
Yanan Guo
Liangkai Chen
Lijuan Zhang
Su Zhao
Ding Long
Li Yu
author_facet Yanli Liu
Wenwu Sun
Yanan Guo
Liangkai Chen
Lijuan Zhang
Su Zhao
Ding Long
Li Yu
author_sort Yanli Liu
collection DOAJ
description Background Thrombocytopenia has been implicated in patients infected with severe acute respiratory syndrome coronavirus 2, while the association of platelet count and changes with subsequent mortality remains unclear. Methods The clinical and laboratory data of 383 patients with the definite outcome by March 1, 2020 in the Central Hospital of Wuhan were reviewed. The association between platelet parameters and mortality risk was estimated by utilizing Cox proportional hazard regression models. Results Among the 383 patients, 334 (87.2%) were discharged and survived, and 49 (12.8%) died. Thrombocytopenia at admission was associated with mortality of almost three times as high as that for those without thrombocytopenia (P < 0.05). Cox regression analyses revealed that platelet count was an independent risk factor associated with in-hospital mortality in a dose-dependent manner. An increment of per 50 × 109/L in platelets was associated with a 40% decrease in mortality (hazard ratio: 0.60, 95%CI: 0.43, 0.84). Dynamic changes of platelets were also closely related to death during hospitalization. Conclusions Baseline platelet levels and changes were associated with subsequent mortality. Monitoring platelets during hospitalization may be important in the prognosis of patients with coronavirus disease in 2019.
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spelling doaj.art-2cc513ed9ea74d9e9fccf86ced5e131a2023-09-15T10:38:07ZengTaylor & Francis GroupPlatelets0953-71041369-16352020-05-0131449049610.1080/09537104.2020.17543831754383Association between platelet parameters and mortality in coronavirus disease 2019: Retrospective cohort studyYanli Liu0Wenwu Sun1Yanan Guo2Liangkai Chen3Lijuan Zhang4Su Zhao5Ding Long6Li Yu7Tongji Medical College, Huazhong University of Science and TechnologyTongji Medical College, Huazhong University of Science and TechnologyTongji Medical College, Huazhong University of Science and TechnologyHubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and TechnologyTongji Medical College, Huazhong University of Science and TechnologyThe Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and TechnologyTongji Medical College, Huazhong University of Science and TechnologyTongji Medical College, Huazhong University of Science and TechnologyBackground Thrombocytopenia has been implicated in patients infected with severe acute respiratory syndrome coronavirus 2, while the association of platelet count and changes with subsequent mortality remains unclear. Methods The clinical and laboratory data of 383 patients with the definite outcome by March 1, 2020 in the Central Hospital of Wuhan were reviewed. The association between platelet parameters and mortality risk was estimated by utilizing Cox proportional hazard regression models. Results Among the 383 patients, 334 (87.2%) were discharged and survived, and 49 (12.8%) died. Thrombocytopenia at admission was associated with mortality of almost three times as high as that for those without thrombocytopenia (P < 0.05). Cox regression analyses revealed that platelet count was an independent risk factor associated with in-hospital mortality in a dose-dependent manner. An increment of per 50 × 109/L in platelets was associated with a 40% decrease in mortality (hazard ratio: 0.60, 95%CI: 0.43, 0.84). Dynamic changes of platelets were also closely related to death during hospitalization. Conclusions Baseline platelet levels and changes were associated with subsequent mortality. Monitoring platelets during hospitalization may be important in the prognosis of patients with coronavirus disease in 2019.http://dx.doi.org/10.1080/09537104.2020.1754383cohort studycoronavirus disease 2019mortalityplatelet countsevere acute respiratory syndrome coronavirus 2
spellingShingle Yanli Liu
Wenwu Sun
Yanan Guo
Liangkai Chen
Lijuan Zhang
Su Zhao
Ding Long
Li Yu
Association between platelet parameters and mortality in coronavirus disease 2019: Retrospective cohort study
Platelets
cohort study
coronavirus disease 2019
mortality
platelet count
severe acute respiratory syndrome coronavirus 2
title Association between platelet parameters and mortality in coronavirus disease 2019: Retrospective cohort study
title_full Association between platelet parameters and mortality in coronavirus disease 2019: Retrospective cohort study
title_fullStr Association between platelet parameters and mortality in coronavirus disease 2019: Retrospective cohort study
title_full_unstemmed Association between platelet parameters and mortality in coronavirus disease 2019: Retrospective cohort study
title_short Association between platelet parameters and mortality in coronavirus disease 2019: Retrospective cohort study
title_sort association between platelet parameters and mortality in coronavirus disease 2019 retrospective cohort study
topic cohort study
coronavirus disease 2019
mortality
platelet count
severe acute respiratory syndrome coronavirus 2
url http://dx.doi.org/10.1080/09537104.2020.1754383
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