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Table 2 Meta-analysis of the effect of vitamin D supplementation on cardiac-metabolic outcomes in elderly population

From: Effect of vitamin D supplementation on cardiac-metabolic risk factors in elderly: a systematic review and meta-analysis of clinical trials

Variables Number of study Pooled SMD ( 95% CI) Model Heterogeneity assessment
I2 Q test P-value
HbA1c 4 0.06(− 0.11, 0.24) Random 0.0 0.57 0.96
FBS (mg/dl) 7 0.01(− 0.2, 0.21) Random 52.5 14.75 0.04
HOMA-IR 8 0.0(− 0.14, 0.13) Random 6 9.57 0.38
Insulin (μU/ml) 5 − 0.11(− 0.34, 0.14) Random 54.4 10.97 0.05
TG (mg/dl) 8 − 0.45(− 0.86, − 0.04) Random 88.5 69.46 0.0
TC (mg/dl) 10 − 0.14(− 0.25, − 0.02) Random 0.0 10.49 0.48
HDL (mg/dl) 8 0.34(− 0.07, 0.74) Random 88.6 69.91 0.0
LDL (mg/dl) 8 − 0.17(− 0.36, 0.02) Random 47.9 15.37 0.05
LDL/HDL Ratio 3 − 0.08(− 0.35, 0.19) Random 0.0 0.14 0.93
BMI (kg/m2) 6 0.18(− 0.3,0.67) Random 83.7 30.72 0.0
WC(cm) 2 − 0.24(− 0.98, 0.24) Random 85.3 6.80 0.0