Low Rates of Hospitalization and Death in 4,376 COVID-19 Patients Given Early Ambulatory Medical and Supportive Care. A Case Series and Observational Study.

Tyson et al., Preprint

Jan 2022

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Retrospective 4,376 patients with mild/moderate COVID-19 in the USA treated with multiple medications including HCQ/ivermectin, favipiravir, vitamin C, D, quercetin, zinc, mAbs, budesonide, dexamethasone, prednisone, and colchicine (exact treatments specific to each patient), showing significantly lower hospitalization and mortality compared to the surrounding community.

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This study includes HCQ and ivermectin.

risk of death, 99.8% lower, RR 0.002, p < 0.001, treatment 0 of 3,962 (0.0%), control 471 of 20,921 (2.3%), NNT 44, relative risk is not 0 because of continuity correction due to zero events (with reciprocal of the contrasting arm), All AVUC mild patients vs. Imperial County (corrected).

risk of hospitalization, 99.8% lower, RR 0.002, p < 0.001, treatment 2 of 3,962 (0.1%), control 4,343 of 20,921 (20.8%), NNT 4.8, All AVUC mild patients vs. Imperial County (corrected).

risk of death, 97.0% lower, RR 0.03, p < 0.001, treatment 3 of 4,375 (0.1%), control 471 of 20,921 (2.3%), NNT 46, All AVUC patients vs. Imperial County (corrected).

risk of hospitalization, 99.0% lower, RR 0.010, p < 0.001, treatment 9 of 4,375 (0.2%), control 4,343 of 20,921 (20.8%), NNT 4.9, All AVUC patients vs. Imperial County (corrected).

Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates

Tyson et al., 13 Jan 2022, retrospective, USA, preprint, 13 authors, this trial uses multiple treatments in the treatment arm (combined with multiple treatments) - results of individual treatments may vary.

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