risk of severe case, 88.4% lower, OR 0.12, p < 0.001, treatment 31 of 103 (30.1%) cases,
41 of 52 (78.8%) controls, NNT 2.3, case control OR, vitamin D supplementation, hospitalized patients vs. controls, excluded in exclusion analyses:
significant unadjusted differences between groups.
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risk of death for severe patients, 24.3% lower, RR 0.76, p = 0.53, high D levels (≥20ng/ml) 6 of 39 (15.4%), low D levels (<20ng/ml) 13 of 64 (20.3%), NNT 20, cutoff ≥20ng/ml, hospitalized patients, outcome based on serum levels.
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risk of ICU for severe patients, 53.1% lower, RR 0.47, p < 0.001, high D levels (≥20ng/ml) 12 of 39 (30.8%), low D levels (<20ng/ml) 42 of 64 (65.6%), NNT 2.9, cutoff ≥20ng/ml, hospitalized patients, outcome based on serum levels.
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