Table 1.

Characteristics of excluded full texts

Parodi et al. [9], Cangella et al. [10]	No antiplatelet therapy as measured exposure
Luu et al. [11], Samardhi et al. [12], Opolski et al. [13]	The outcome was not reported/stratified depending on antiplatelet therapy prescription
Fazio et al. [14]	Ejection fraction recovery and hospitalization length as only reported outcome
Núñez-Gil et al. [15]	Laboratory data as outcome
Dias et al. [16]	Stroke as only outcome measured; ethnicity subgroup
Santoro et al. [17]	Meta-analysis (but its references were investigated with success)