Steffen Christensen

The predictive value of ICD-10 diagnostic coding used to assess Charlson comorbidity index conditions in the population-based Danish National Registry of Patients

Sandra Kruchov Thygesen, Christian Fynbo Christiansen, Steffen Christensen et al. · BMC Medical Research Methodology · 2011 · 1.2K citations · Full text

Medicine, Internal Medicine, Clinical Classification Systems +14

Hypothermia versus Normothermia after Out-of-Hospital Cardiac Arrest

Josef Dankiewicz, Tobias Cronberg, Gisela Lilja et al. · New England Journal of Medicine · 2021 · 983 citations · Full text

Medicine, Cardiology, Anesthesia +16

The impact of frailty on ICU and 30-day mortality and the level of care in very elderly patients (≥ 80 years)

Hans Flaatten, Dylan W. de Lange, Alessandro Morandi et al. · Intensive Care Medicine · 2017 · 603 citations · Full text

Medicine, Critical Care Nursing, Geriatric Medicine +16

Characteristics and predictors of hospitalization and death in the first 11 122 cases with a positive RT-PCR test for SARS-CoV-2 in Denmark: a nationwide cohort

Mette Reilev, Kasper Bruun Kristensen, Anton Pottegård et al. · International Journal of Epidemiology · 2020 · 279 citations · Full text

Public Health, Infectious Disease Control, Infectious Diseases +11

Withholding or withdrawing of life-sustaining therapy in older adults (≥ 80 years) admitted to the intensive care unit

Bertrand Guidet, Hans Flaatten, Ariane Boumendil et al. · Intensive Care Medicine · 2018 · 219 citations · Full text

Nursing, Critical Care Nursing, Geriatric Medicine +16