eTable 4. Cohort studies.

	Search 19 July 2022
CCSR	6330

“long COVID” or “long COVID-19” or “long COVID19” or haul* or “chronic COVID” or “chronic COVID-19” or “chronic COVID19” or “post-acute” or “postacute” or “post COVID” or “post COVID-19” or “post COVID19” or “long term COVID” or “long term COVID-19” or “long term COVID19” or “post-exertional malaise” or “PEM” or “post-SARS-CoV-2” or “post-SARS-CoV-2” or “post corona virus disease” or “post coronavirus disease” or “chronic COVID” or “chronic COVID-19” or “chronic COVID19” or PACS or sequelae* or “late sequelae” or “post intensive care syndrome” or PICs or “persistent COVID” or “persistent COVID-19” or “persistent COVID19” or “post-infectious” or “postinfectious” or “post-infection” or “postinfection” or “late complication” or “late complications” or “late COVID” or “late COVID-19” OR “late COVID19” or “multi-system syndrome” or “multisystem syndrome” or “inflammatory multisystem” or “inflammatory multi-system” or PIMS or “PIMS-TS” or “multisystem Inflammatory” or “multi-system inflammatory” or MIS or “MIS-C” or MISC or MISTIC

Study design

Case series/case control/cohort; cross-sectional; other; time series; single arm/controlled before after; unclear

Cochrane COVID-19 Study Register (CCSR)

The register contains study reports from several sources, including:

weekly searches of PubMed;

daily searches of ClinicalTrials.gov;

weekly searches of Embase.com;

weekly searches of the WHO International Clinical Trials Registry Platform (ICTRP);

monthly searches of the Cochrane Central Register of Controlled Trials (CENTRAL).