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. Author manuscript; available in PMC: 2020 Dec 1.

Published in final edited form as: Contemp Clin Trials. 2019 Oct 24;87:105854. doi: 10.1016/j.cct.2019.105854

Table 3:

Categorized baseline and 1-year follow-up serum 25(OH)D total (LC-MS/MS) and iPTH among Placebo- and Vitamin D-treated Participants

	Baseline in blood cohort		Baseline in 1-year cohort		1-year
	VitaminD (n=7905)	Placebo (n=7899)	VitaminD (n=844)	Placebo (n=816)	VitaminD (n=844)	Placebo (n=816)

25(OH)D total, LC-MS/MS, [%]
<20 ng/mL	12.3	13.0	17.8	15.2	0.6	16.0
20-29.9 ng/mL	32.1	32.3	31.5	36.4	7.5	36.9
30+ ng/mL	55.6	54.6	50.7	48.4	91.9	46.2
iPTH, [%]
≤65 pg/mL	92.2	92.1	84.6	85.8	90.2	83.7
> 65 pg/mL	7.8	8.0	15.4	14.2	9.8	16.3