Effects of vitamin D supplementation on Patients with chronic heart failure: a meta-analysis

supplementation on cardiac function inpatients with chronic heart failure by Meta-analysis.Sensitivity analysis Funnel plots were used for qualitative assessment of publication bias.Beggand egger plots were used for quantitative assessment, and two-tailed p-values <0.1 for Begg's and Egger's tests were considered statistically significant.Sensitivity analyses were performed using the "remove one study" method.Country(ies) involved China.