Yazar "Sivgin, Hakan" için listeleme
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Alpha variant (B.1.1.7) of SARS-CoV-2 increases fatality-rate for patients under age of 70 years and hospitalization risk overall
Cetin, Meryem; Balci, Pervin Ozlem; Sivgin, Hakan; Cetin, Sirin; Ulgen, Ayse; Demir, Hatice Dortok; Li, Wentian (Akademiai Kiado Zrt, 2021)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 different variants. We have obtained more ... -
Approximate reciprocal relationship between two cause-specific hazard ratios in COVID-19 data with mutually exclusive events
Li, Wentian; Cetin, Sirin; Ulgen, Ayse; Cetin, Meryem; Sivgin, Hakan; Yang, Yaning (Walter De Gruyter Gmbh, 2023)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 mutually exclusive, leading to two ... -
A composite ranking of risk factors for COVID-19 time-to-event data from a Turkish cohort
Ulgen, Ayse; Cetin, Sirin; Cetin, Meryem; Sivgin, Hakan; Li, Wentian (Elsevier Sci Ltd, 2022)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 management. It is common to use meta-analysis ... -
Diabetes and bacterial co-infection are two independent risk factors for respiratory syncytial virus disease severity
Sivgin, Hakan; Cetin, Sirin; Ulgen, Ayse; Li, Wentian (Frontiers Media Sa, 2023)Diabetes mellitus (DM) is common among older adults hospitalized with lower respiratory tract infection, yet information on the impact of DM on disease severity is limited. This study retrospectively analyzed 46 Turkish ...