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Results of the meta‐analysis of the effect of vitamin D supplementation with or without calcium on hand grip strength (kg) (n = 7 studies). The results were obtained using a random effects model. One study reported results for men and women separately (Lagari a – men and Lagari b – women). For one study, we have divided the comparator group in two (Wood‐a and Wood‐b). CI, confidence interval.
