Prevention of vitamin D deficiency in children following cardiac surgery: study protocol for a randomized controlled trial

Table 2 Vitamin D supplementation strategy

A: Breastfed infant or over 12 months of age
Age Group	Volume	Standard Dose Group		High Dose Group
	mL	IU per day	Vial Concentration	IU per day	Vial Concentration
0 to 1 year	1	400 IU	400 IU/mL	1600 IU	1600 IU/mL
1 to 17 years	1	600 IU	600 IU/mL	2400 IU	2400 IU/mL
B: Formula fed and under 12 months of age
Age Group	Volume	Standard Dose Group		High Dose Group
	mL	IU per day	Vial Concentration	IU per day	Vial Concentration
0 to 1 year	1	None^a	Placebo, 0 IU/mL	1200 IU^a	1200 IU/mL

^aDoes not include the vitamin D intake from formula (400 IU/day)
^bWe will not increase vitamin D levels in those children who turn 1 year old after initiating the study drug

ISSN: 1745-6215