Effect of fibrinolytic therapy on ST-elevation myocardial infarction clinical outcomes during the COVID-19 pandemic: A systematic review and meta-analysis

Table 1 Characteristics of included studies

Ref.	Country	Study design/Sa	Study group/time period of study / sample size
Daoulah et al[15]	Saudi Arabia	Retrospective Cohort/500	Pandemic period STEMI/01/01/2020–30/04/2020/500
			Pre-pandemic period STEMI/2018–2019/1285
Leng et al[16]	China	Retrospective Cohort	Pandemic period STEMI/23/01/2020–30/04/2020/164
			Pre-pandemic period STEMI/Equivalent period in 2019/240
Song et al[17]	China	Retrospective Cohort	Pandemic period STEMI/24/01/2020–31/03/2020/73
			Pre-pandemic period STEMI/24/01/2019–31/03/2019/95
Wang et al[18]	China	Retrospective Cohort	Pandemic period STEMI/23/01/2020–20/03/2020/37
			Pre-pandemic period STEMI/01/09/2019–02/12/2019/41
Wu et al[19]	England	Retrospective Cohort	Pandemic period STEMI/01/01/2019/1600
			Pre-pandemic period STEMI/22/05/2020/15646
Xiang et al[20]	China	Retrospective Cohort	Pandemic period STEMI/20/02/2020/10516
			Pre-pandemic period STEMI/27/12/2019/14634
Zhang et al[21]	China	Retrospective Cohort	Pandemic period STEMI/01/01/2020–31/03/2020/119
			Pre-pandemic period STEMI/2018 and 2019/276
Huang et al[22]	China	Retrospective Cohort	Pandemic period STEMI/01/02/2020–15/04/2020/31
			Pre-pandemic period STEMI/01/01/2019–31/12/2019/31
Erol et al[23]	Turkey	Retrospective Cohort	Pandemic period STEMI/2020/485
			Pre-pandemic period STEMI/2018/711
Mesnier et al[24]	France	Retrospective Cohort	Pandemic period STEMI/16/03/2020–12/02/2020/252
			Pre-pandemic period STEMI/17/02/2020–15/03/2020/331
Balghith[25]	Saudi Arabia	Retrospective Cohort	Pandemic period STEMI/01/2020–05/2020/81
			Pre-pandemic period STEMI/08/2019-12/2019/92
Clifford et al[26]	Canada	Retrospective Cohort	Pandemic period STEMI/17/03/2020–16/07/2020/193
			Pre-pandemic period STEMI/15/11/2019–16/03/2020/238
Rodríguez-Leor et al[27]	Spain	Retrospective Cohort	Pandemic period STEMI/16/03/2020–14/04/2020/1009
			Pre-pandemic period STEMI/01/04/2019–30/04/2019/1305
Calvão et al[28]	Portugal	Retrospective Cohort	Pandemic period STEMI/03/2020–04/2020/71
			Pre-pandemic period STEMI/03/2020–04/2020/80

STEMI: ST-elevation myocardial infarction.