Table 1.

Search queries of this systematic review.

Databases	Search query	Hits
Cochrane	(covid-19 OR coronavirus OR sars-cov-2) AND (comorbid∗ OR obes∗ OR overweight OR high BMI OR unhealthy weight) AND (hospitali?ation OR admission OR hospital stay OR mortality OR morbidity)	8
EBSCO	(covid-19 or coronavirus or 2019-ncov or sars-cov-2 or cov-19) AND ((comorbidity or comorbidities or coocurence or comorbid) OR (obesity or overweight or fat or obese or unhealthy weight or high bmi)) AND ((hospitalization or hospitalization or admission or hospital stay or care episode) OR (mortality or mortality rate or death or death rate or morbidity))	147
EMBASE	((covid-19 or coronavirus or 2019-ncov or sars-cov-2 or cov-19).mp. [mp = title, abstract, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword, floating subheading word, candidate term word]) AND ((comorbid∗ or obes∗ or overweight or high BMI or unhealthy weight).mp. [mp = title, abstract, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword, floating subheading word, candidate term word]) AND ((hospitali?ation or admission or hospital stay or care episode or mortality or morbidity).mp. [mp = title, abstract, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword, floating subheading word, candidate term word])	197
PubMed	((covid-19 or coronavirus or 2019-ncov or sars-cov-2 or cov-19) and (comorbid∗ or obes∗ or overweight or high bmi or unhealthy weight)) and (hospital?action or admission or hospital stay or care episode or mortality or morbidity)	208
Handsearching	“obesity” AND “COVID-19”	13