Table 1.

Studies excluded due to data duplication

Potentially duplicated studies	Common cohort	Selected study	Reason of selection
Daoulah et al, 202016 Daoulah et al, 202117 Daoulah et al, 202118 Daoulah et al, 202119 Daoulah et al, 202120	Gulf SCAD Registry	Daoulah et al, 202120	Latest study
Saw et al, 201421 Saw et al, 201722 Saw et al, 201923	Canadian SCAD Registry	Saw et al, 201923	Latest study with highest number of patients
Combaret et al, 202124 Combaret et al, 202225	French DISCO Registry	Combaret et al, 202124	Highest number of patients (2022 study a subgroup of the registry)
Alfonso et al, 202226 Diez-Villanueva et al, 202127 Diez-Villanueva et al, 202128 Garcia-Guimaraes et al, 202129 Garcia-Guimaraes et al, 202230	Spanish Registry on SCAD	Garcia-Guimaraes et al, 202230	Latest study with highest number of patients
Macaya et al, 201931 Carss et al, 202032	UK SCAD Registry	Carss et al, 202032	Latest study with highest number of patients
Rogowski et al, 201733 Seidl et al, 202134	Kantonsspital St. Gallen cohort	Seidl et al, 202134	Latest study with highest number of patients
Chen et al, 201935 Chen et al, 202136	Kaiser Permanente Northern California cohort	Chen et al, 202136	Latest study with highest number of patients
Kok et al, 201837 Johnson et al, 202238	Mayo Clinic Virtual SCAD Registry	Johnson et al, 202238	Latest study with highest number of patients
Eleid et al, 201439 Krittanawong et al, 201640 Tweet et al, 201441 Tweet et al, 201742 Tweet et al, 202043 Turley et al, 202044	Mayo Clinic SCAD Registry	Turley et al, 202044	Latest study with highest number of patients

DISCO, DIssezioni Spontanee COronariche; SCAD, spontaneous coronary artery dissection.