Özuygur Ermiş et al., Turkish Journal of Medical Sciences,
doi:10.3906/sag-2009-64 (Peer Reviewed)
The Efficacy of Hydroxychloroquine and Azithromycin Combination Therapy on Hospital Mortality in COVID 19 Pneumonia Patients
Retrospective 370 hospitalized patients, 222 receiving HCQ+AZ and 148 receiving HCQ, showing mortality OR 0.61 [0.23-1.59],
p = 0.31 for the addition of AZ.
Özuygur Ermiş et al., 8/4/2021, peer-reviewed, 13 authors.