A study protocol of external validation of eight COVID-19 prognostic models for predicting mortality risk in older populations in a hospital, primary care, and nursing home setting

Table 2 Details of study cohorts

Healthcare settings	Name of cohort	Description	Models that are externally validated in the cohort
Hospital setting	CliniCo	6 Hospitals in the region of Nijmegen in the Netherlands	• GAL-COVID-19 mortality model • 4C Mortality Score • NEWS2 + model • Xie model • Wang clinical model • CURB-65 Score • SOFA Score
	COVID-OLD	15 Hospitals throughout the Netherlands	• GAL-COVID-19 mortality model • 4C Mortality Score • NEWS2 + model • Xie model • Wang clinical model • APACHE-II Score • CURB-65 Score • SOFA Score
	COVID-PREDICT	10 Hospitals throughout the Netherlands	• GAL-COVID-19 mortality model • 4C Mortality Score • NEWS2 + model • Xie model • Wang clinical model • CURB-65 Score • SOFA Score
Primary care	JHN/ANH/AHA	General practitioner centers in Utrecht and Amsterdam municipalities in the Netherlands	• GAL-COVID-19 mortality model
Primary care	PHARMO	General practitioner centers throughout the Netherlands	• GAL-COVID-19 mortality model
Nursing homes	Ysis	Nursing homes throughout the Netherlands	• GAL-COVID-19 mortality model

ISSN: 2397-7523