Hydroxychloroquine in patients with novel coronavirus infection (COVID-19): a case-control study

https://doi.org/10.18087/cardio.2021.2.n1548

Analysis for the whole group revealed a statistically significant increase in the time to normalization of body temperature from 4 to 7 days (by 3 days, p<0.001), and the duration of hospitalization from 9.4 to 11.8 days (by 2.4 days, p=0.002) when using HCQ in comparison with control. The decrease in scores on the SHOCS -COVID scale was statistically significant in both groups, and there were no differences between them (delta – 3.00 (2.90) in the HCQ group and – 2.69 (1.55) in control, p=0.718). At the same time, in the control group, the CRP level returned to normal (4.06 mg/dl), and with the use of GC, it decreased but remained above the norm (6.21 mg/dl, p=0.05). Side effects requiring discontinuation of treatment were reported in 3 patients in the HCQ group and none in the control group. We have not identified any positive properties of HCQ and its ability to influence the severity of COVID-19. This antimalarial agent slows down the normalization of the body’s inflammatory response and lengthens the time spent in the hospital. HCQ should not be used in the treatment of COVID-19.

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