tetano
Editor, Senior Moderator
J Atheroscler Thromb
. 2022 Jul 29.
doi: 10.5551/jat.63702. Online ahead of print.
Significant Impact of Age on Mortality and Non-significant Impact of Age on Thrombosis and Major Bleeding in Patients with COVID-19: From the CLOT-COVID Study
Yugo Yamashita[SUP] 1 [/SUP], Sen Yachi[SUP] 2 [/SUP], Makoto Takeyama[SUP] 2 [/SUP], Yuji Nishimoto[SUP] 3 [/SUP], Ichizo Tsujino[SUP] 4 [/SUP], Junichi Nakamura[SUP] 4 [/SUP], Naoto Yamamoto[SUP] 5 [/SUP], Hiroko Nakata[SUP] 6 [/SUP], Satoshi Ikeda[SUP] 7 [/SUP], Michihisa Umetsu[SUP] 8 [/SUP], Shizu Aikawa[SUP] 9 [/SUP], Hiroya Hayashi[SUP] 10 [/SUP], Hirono Satokawa[SUP] 11 [/SUP], Yoshinori Okuno[SUP] 1 [/SUP], Eriko Iwata[SUP] 12 [/SUP], Yoshito Ogihara[SUP] 13 [/SUP], Nobutaka Ikeda[SUP] 14 [/SUP], Akane Kondo[SUP] 15 [/SUP], Takehisa Iwai[SUP] 16 [/SUP], Norikazu Yamada[SUP] 17 [/SUP], Tomohiro Ogawa[SUP] 18 [/SUP], Takao Kobayashi[SUP] 5 [/SUP], Makoto Mo[SUP] 19 [/SUP], CLOT-COVID Study Investigators
Affiliations
Abstract
Aim: There is scarce data on the impact of age on clinical outcomes in patients with coronavirus disease 2019 (COVID-19).
Method: The CLOT-COVID Study was a retrospective, multicenter cohort study enrolling 2894 consecutive hospitalized patients with COVID-19 among 16 centers in Japan from April 2021 to September 2021. We divided the entire cohort into five groups according to age strata; -19, 20-39, 40-59, 60-79, and 80- years.
Results: Most patients under 19 had mild COVID-19 on admission (99%), while older patients had more severe COVID-19. The incidence rates of clinical outcomes during hospitalization in patients aged ≤ 19, 20-39, 40-59, 60-79, and 80 ≥ years were 0.0%, 0.5%, 2.2%, 2.7%, and 1.5% for thrombosis; 0.0%, 1.2%, 1.5%, 3.4%, and 2.0% for major bleeding; and 0.0%, 0.4%, 2.0%, 12.1%, and 16.8% for all-cause death, respectively. In the stratified analysis according to COVID-19 severity on admission, the incidences of thrombosis were generally higher among patients with more severe status, although those were not significantly different among age strata in all sub-types of COVID-19 severity. However, the incidences of all-cause death were significantly higher with increasing age in all sub-types of COVID-19 severity.
Conclusions: In the current large observational study of patients with COVID-19, the risk of mortality became markedly higher with increased age. However, the risks of thrombosis and major bleeding did not necessarily increase as age increases, which seemed to be consistent irrespective of COVID-19 severity on admission.
Keywords: Age; Bleeding; COVID-19; Mortality; Thrombosis.
. 2022 Jul 29.
doi: 10.5551/jat.63702. Online ahead of print.
Significant Impact of Age on Mortality and Non-significant Impact of Age on Thrombosis and Major Bleeding in Patients with COVID-19: From the CLOT-COVID Study
Yugo Yamashita[SUP] 1 [/SUP], Sen Yachi[SUP] 2 [/SUP], Makoto Takeyama[SUP] 2 [/SUP], Yuji Nishimoto[SUP] 3 [/SUP], Ichizo Tsujino[SUP] 4 [/SUP], Junichi Nakamura[SUP] 4 [/SUP], Naoto Yamamoto[SUP] 5 [/SUP], Hiroko Nakata[SUP] 6 [/SUP], Satoshi Ikeda[SUP] 7 [/SUP], Michihisa Umetsu[SUP] 8 [/SUP], Shizu Aikawa[SUP] 9 [/SUP], Hiroya Hayashi[SUP] 10 [/SUP], Hirono Satokawa[SUP] 11 [/SUP], Yoshinori Okuno[SUP] 1 [/SUP], Eriko Iwata[SUP] 12 [/SUP], Yoshito Ogihara[SUP] 13 [/SUP], Nobutaka Ikeda[SUP] 14 [/SUP], Akane Kondo[SUP] 15 [/SUP], Takehisa Iwai[SUP] 16 [/SUP], Norikazu Yamada[SUP] 17 [/SUP], Tomohiro Ogawa[SUP] 18 [/SUP], Takao Kobayashi[SUP] 5 [/SUP], Makoto Mo[SUP] 19 [/SUP], CLOT-COVID Study Investigators
Affiliations
- PMID: 35908882
- DOI: 10.5551/jat.63702
Abstract
Aim: There is scarce data on the impact of age on clinical outcomes in patients with coronavirus disease 2019 (COVID-19).
Method: The CLOT-COVID Study was a retrospective, multicenter cohort study enrolling 2894 consecutive hospitalized patients with COVID-19 among 16 centers in Japan from April 2021 to September 2021. We divided the entire cohort into five groups according to age strata; -19, 20-39, 40-59, 60-79, and 80- years.
Results: Most patients under 19 had mild COVID-19 on admission (99%), while older patients had more severe COVID-19. The incidence rates of clinical outcomes during hospitalization in patients aged ≤ 19, 20-39, 40-59, 60-79, and 80 ≥ years were 0.0%, 0.5%, 2.2%, 2.7%, and 1.5% for thrombosis; 0.0%, 1.2%, 1.5%, 3.4%, and 2.0% for major bleeding; and 0.0%, 0.4%, 2.0%, 12.1%, and 16.8% for all-cause death, respectively. In the stratified analysis according to COVID-19 severity on admission, the incidences of thrombosis were generally higher among patients with more severe status, although those were not significantly different among age strata in all sub-types of COVID-19 severity. However, the incidences of all-cause death were significantly higher with increasing age in all sub-types of COVID-19 severity.
Conclusions: In the current large observational study of patients with COVID-19, the risk of mortality became markedly higher with increased age. However, the risks of thrombosis and major bleeding did not necessarily increase as age increases, which seemed to be consistent irrespective of COVID-19 severity on admission.
Keywords: Age; Bleeding; COVID-19; Mortality; Thrombosis.