Author Correction: Mortality outcomes with hydroxychloroquine and chloroquine in COVID-19 from an international collaborative meta-analysis of randomized trials

Correction to: Nature Communicationshttps://doi.org/10.1038/s41467-021-22446-z, published online 15 April 2021 The original version of this article contained an error in Table 1, which misidentified the trial included in the meta-analysis registered as NCT04323527 as CloroCOVID19II instead of CloroCOVID19III. The NCT04323527 registration includes the trials CloroCOVID19I and CloroCOVID19III. CloroCOVID19I was not included in the meta-analysis. In addition, the original version of the Methods section inadvertently omitted details of which formulations of hydroxychloroquine or chloroquine the reported dosages refer to. The following information has been included in the legend for Table 1 and in the corrected methods section: “In all trials that used hydroxychloroquine, dosages refer to hydroxychloroquine sulfate. In trials that used chloroquine, the dosages for ARCHAIC, ChiCTR2000030054 and ChiCTR2000031204 refer to chloroquine phosphate, while those for CloroCOVID19II and CloroCOVID19III refer to chloroquine base. The American Journal of Tropical Medicine and Hygiene has issued a retraction note (1) for one of the trials (2) that had been included in the calculations of our meta-analysis. Exclusion of the data from this trial changes neither the results nor inferences of the meta-analysis. For hydroxychloroquine, the original odds ratio for mortality was 1.11 (95% CI: 1.02–1.20; I2 = 0%; 26 trials; 10,012 patients) and excluding the retracted trial the odds ratio for mortality would remain 1.11 (95% CI: 1.02–1.20, I2 = 0%; 25 trials; 9818 patients). Retraction Notice. The American Journal of Tropical Medicine and Hygiene 107, 728-728, https://doi.org/10.4269/ajtmh.1073ret (2022). Abd-Elsalam, S. et al. RETRACTED: Hydroxychloroquine in the Treatment of COVID-19: A Multicenter Randomized Controlled Study. Am J Trop Med Hyg 103, 1635-1639, https://doi.org/10.4269/ajtmh.20-0873 (2020). The errors in Table 1 and in the Methods section have been corrected in both the PDF and HTML versions of the Article.