Table 1. Studies used in the meta-analysis of mortality rate.

Name	Author	Sample Size	num_ control	num_ treatment	mortality_ control	mortality_ treatment
A pilot study of hydroxychloroquine in the treatment of patients with common coronavirus disease-19 (COVID-19)	Chen J, et al. [20]	30	15	15	0	0
Effect of high VS low doses of chloroquine diphosphate as adjunctive therapy for patients hospitalized with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection: a randomized clinical trial.	Borba, Mayla Gabriela Silva, et al. [21]	81	40	41	6	16