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Table 5 Vitamin D dosage and all-cause mortality risk

From: Vitamin D supplementation and mortality risk in chronic kidney disease: a meta-analysis of 20 observational studies

Investigator # patients Follow up (months) Dosage (ug/week) Mean dosage (ug/week) Hazard ratio 95% CI
Calcitrol
Naves-Diaz et al. 1304 54 <1.75 1.05 0.46 0.37–0.53
Naves-Diaz et al. 1053 54 1.75-3.5 2.38 0.58 0.49–0.70
Naves-Diaz et al. 432 54 3.5-7.0 4.69 0.64 0.50–0.83
Naves-Diaz et al. 184 54 >7.0 11.83 0.83 0.58–1.19
Paricalcitol
Kalantar-Zadeh et al. 5288 24 1.0-5.0 NA 0.53 0.50–0.57
Kalantar-Zadeh et al. 11965 24 5.0-10.0 NA 0.54 0.51–0.57
Kalantar-Zadeh et al. 8326 24 10.0-15.0 NA 0.54 0.51–0.57
Kalantar-Zadeh et al. 11816 24 >15.0 NA 0.73 0.69–0.77
Shinaberger et al. 9575 30 1.7-20.1 10.9 0.93 0.89–0.97
Shinaberger et al. 8277 30 4.6-25.8 15.2 0.88 0.84–0.94
Shinaberger et al. 5875 30 6.4-30.8 18.6 0.88 0.84–0.93