Retrospective 179 hospitalized COVID-19 patients in India, showing no significant difference in mortality with vitamin D deficiency in unadjusted results. Patients with deficiency were younger.
risk of death, 10.7% lower, RR 0.89, p = 0.74, high D levels (≥20ng/ml) 24 of 91 (26.4%), low D levels (<20ng/ml) 26 of 88 (29.5%), NNT 32.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
This study is excluded in the after exclusion results of meta
excessive unadjusted differences between groups.
Charla et al., 13 Jul 2022, retrospective, India, preprint, 8 authors, study period 1 April, 2020 - 30 April, 2021.