. Author manuscript; available in PMC: 2014 Aug 14.

Published in final edited form as: J Pediatr Gastroenterol Nutr. 2013 Mar;56(3):316–319. doi: 10.1097/MPG.0b013e3182758c4a

Table 2.

Serum 25D and blood lead (mean±SD) over 12 weeks of vitamin D₃ supplementation

	Baseline			Week 6			Week 12
	All	4000 IU/d	7000IU/d	All	4000 IU/d	7000 IU/d	All	4000 IU/d	7000 IU/d
Number	44	22	22	43	22	21	42	21	21
Serum 25D, nmol/L	48.3±18.6	44.9±21.2	51.8±15.3	114.8±35.6^*	102.0±32.9^*	128.3±33.9^*	118.0±46.5^*	107.5±36.6^*	128.5±53.4^*
<50, %	50	59	41	2	5	0	2	5	0
50–79, %	45	36	54	12	18	5	17	19	14
≥ 80, %	5	5	5	86^*	77^*	95^*	81^*	76^*	86^*
Blood Lead, ug/dL [Range]	1.5±0.9 [0.5, 4.9]	1.4±1.0 [0.05, 4.9]	1.5±0.9 [0.6, 3.7]	1.6±1.1 [0.5, 5.0]	1.5±0.9 [0.5, 4.0]	1.7±1.2 [0.5, 5.0]	1.5±1.0 [0.2, 4.7]	1.5±1.1 [0.6, 4.3]	1.5±1.0 [0.2, 4.7]
Serum Alkaline Phosphatase, U/L	149±113	159±145	138±68	147±114	156±145	138±70	145±113	157±150	133±60

Significant difference from baseline at p <0.01