Table 1

Medline published studies that assess the effect of AZ in COVID-19

 InpatientOutpatient
AZ aloneAZ+HQAZ aloneAZ+HQ
Studies favouring AZone retrospective study:
Albani et al70		Five retrospective studies:
Arshad et al72
Tanriverdi et al88
d’Arminio et al89
Sekhavati et al90
Lauriola et al91		one retrospective study:
Guérin et al73		one retrospective study:
Guérin et al73
Studies neutral to AZsix retrospective studies:
Kuderer et al71
Geleris et al92
Rosenberg et al75
Ip et al93
Rodriguez-Molinero et al94
Lammers et al95		five retrospective studies:
Satlin et al96
Ip et al93
Magagnoli et al97
Ayerbe et al98
Young et al99		two retrospective studies:
Kuderer et al71
Szente et al74
1 RCT:
Cavalcanti et al76		1 RCT:
Furtado et al100
Studies not favouring AZ2 Retrospective studies:
Kuderer et al71
Rosenberg et al75		one retrospective study:
Kuderer et al71
1 RCT:
Cavalcanti et al76

  • PubMed was searched with the search term (‘COVID-19’ or ‘SARS-CoV-2’) and ‘azithromycin’. A total of 537 titles and/or abstracts were screened. Studies that compared combination regimens and from which no individual treatment effect of azithromycin could be deduced were excluded.

  • AZ, azithromycin; HQ, hydroxychloroquine; RCT, randomised controlled trial.