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0 0.5 1 1.5 2+ Mortality 4% Improvement Relative Risk Vitamin C for COVID-19  Zangeneh et al.  ICU PATIENTS Is very late treatment with vitamin C beneficial for COVID-19? Retrospective study in Iran No significant difference in mortality Zangeneh et al., Obesity Medicine, May 2022 Favors vitamin C Favors control

Survival analysis based on body mass index in patients with COVID-19 admitted to the intensive care unit of Amir Al-Momenin Hospital in Arak – 2021

Zangeneh et al., Obesity Medicine, doi:10.1016/j.obmed.2022.100420
May 2022  
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Vitamin C for COVID-19
6th treatment shown to reduce risk in September 2020
*, now known with p = 0.000000087 from 70 studies, recognized in 11 countries.
No treatment is 100% effective. Protocols combine complementary and synergistic treatments. * >10% efficacy in meta analysis with ≥3 clinical studies.
4,100+ studies for 60+ treatments.
Retrospective 193 ICU patients in Iran, showing no significant difference with vitamin C treatment.
This is the 47th of 70 COVID-19 controlled studies for vitamin C, which collectively show efficacy with p=0.000000087 (1 in 11 million).
21 studies are RCTs, which show efficacy with p=0.0012.
This study is excluded in the after exclusion results of meta analysis: very late stage, ICU patients.
Study covers vitamin C, vitamin D, zinc, remdesivir, and famotidine.
risk of death, 4.0% lower, HR 0.96, p = 0.86, Cox proportional hazards.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Zangeneh et al., 13 May 2022, retrospective, Iran, peer-reviewed, 3 authors. Contact:,,,
This PaperVitamin CAll
Survival analysis based on body mass index in patients with Covid-19 admitted to the intensive care unit of Amir Al-Momenin Hospital in Arak – 2021
Morteza Zangeneh, Touraj Valeh, Amrollah Sharifi
Obesity Medicine, doi:10.1016/j.obmed.2022.100420
Introduction: The potential risk of obesity on the severity of COVID-19 has been proposed. The main purpose of this study was to investigate the effect of BMI on the survival rate of COVID-19 patients admitted to the ICU. Methods & materials: Patients with COVID-19 admitted to ICU were included. Gender, height, weight, BMI, age, underlying disease status, prescribed drugs and nutritional supplements, and clinical and laboratory parameters at the beginning of admission were recorded. Death or discharge from the ICU and the days elapsed to these events were also reviewed and recorded. Data analysis was performed using the Cox regression model. Results: assessing 193 patients showed that BMI was not related to the survival rate even after adjusting for other potential confounding variables. It was shown that arterial oxygen saturation and taking Famotidine were the significant factors determining the time to event in these patients. Conclusion: The BMI at the time of ICU admission has no effect on survival rate and time to event in COVID-19 infected patients admitted to ICU.
Declaration of competing interest None.
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Late treatment
is less effective
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