PMC:7116472 / 4066-4812 JSON TXT 2 Projects

Annnotations TAB TSV DIC JSON TextAE

Id	Subject	Object	Predicate	Lexical cue
T32	0-165	Sentence	denotes	A recent review identified many prognostic scores used for covid-19,5 which varied in their setting, predicted outcome measure, and the clinical parameters included.
T33	166-746	Sentence	denotes	The large number of risk stratification tools reflects difficulties in their application, with most scores showing moderate performance at best and no benefit to clinical decision making.67 Many novel covid-19 prognostic scores have been found to have a high risk of bias, which could reflect development in small cohorts, and many have been published without clear details of model derivation and testing.5 Therefore, a risk stratification tool within a large national cohort of patients admitted to hospital with covid-19 is needed with clear development and validation details.