A study on factors impacting length of hospital stay of COVID-19 inpatients

Ş Çetin, A Ulgen, H Şıvgın, W Li - Journal of Contemporary …, 2021 - dergipark.org.tr
Knowing the typical length of hospital stay of COVID-19 patients and which factors affecting
the stay time is important for hospital management. 3184 COVID-19 patients from the Tokat …

Alpha variant (B. 1.1. 7) of SARS-CoV-2 increases fatality-rate for patients under age of 70 years and hospitalization risk overall

M Cetin, PO Balci, H Sivgin, S Cetin… - Acta Microbiologica et …, 2021 - akjournals.com
The emergence of new SARS-CoV-2 variants is a challenge to the control of this pandemic.
It is therefore important to collect and to analyze data related to the infection caused by …

Blood-Type-A is a COVID-19 infection and hospitalization risk in a Turkish cohort

M Cetin, S Cetin, A Ulgen, W Li - Transfusion clinique et biologique, 2023 - Elsevier
We have shown in an ethnically homogenous Turkey cohort with more than six thousand
cases and 25 thousand controls that ABO blood types that contain anti-A antibody (O and B) …

A composite ranking of risk factors for COVID-19 time-to-event data from a Turkish cohort

A Ulgen, S Cetin, M Cetin, H Sivgin, W Li - Computational Biology and …, 2022 - Elsevier
Having a complete and reliable list of risk factors from routine laboratory blood test for
COVID-19 disease severity and mortality is important for patient care and hospital …

Approximate reciprocal relationship between two cause-specific hazard ratios in COVID-19 data with mutually exclusive events

W Li, S Cetin, A Ulgen, M Cetin, H Sivgin… - … International Journal of …, 2024 - degruyter.com
COVID-19 survival data presents a special situation where not only the time-to-event period
is short, but also the two events or outcome types, death and release from hospital, are …

Approximate reciprocal relationship between two cause-specific hazard ratios in COVID-19 data with mutually exclusive events

S Cetin, A Ulgen, H Sivgin, W Li - medRxiv, 2021 - medrxiv.org
ABSTRACT COVID-19 survival data presents a special situation where not only the time-to-
event period is short, but also the two events or outcome types, death and release from …