Table 5.

Levels of Vitamin D, PTH, Calcium, Phosphorus in Intervention and Control Groups at 0, 12 and 24 Months

Serum Vitamin D, PTH, Calcium and Phosphorus
Time Period	Vitamin D (ng/ml)			PTH (pg/ml)
	Total Mean (SD)	Intervention Mean (SD)	Control Mean (SD)	Total Mean (SD)	Intervention Mean (SD)	Control Mean (SD)
0 month	N=116	N=58	N=58	N=116	N=58	N=58
	22.8	27.6	27.7	49.5	48	50.9
	(9)	(12.9)	(14.6)	(27)	(23.6)	(30.3)
12 months	N=92	N=50	N=42	N=92	N=50	N=42
	45.62	51.63	24.4	57.9	63.9	51.39
	(23.6)	22.9	(12.3)	(27.47)	(21.3)	(29.4)
24 months	N=65	N=37	N=28	N=65	N=37	N=28
	58.3	69.9	42.8	46.2	40.8	53.3
	(34.8)	(34.1)	(29.6)	(23.2)	(19.4)	26.1
Time Period	Calcium (mg/dl)			Phosphorus (mg/dl)
	Total Mean (SD)	Intervention Mean (SD)	Control Mean (SD)	Total Mean (SD)	Intervention Mean (SD)	Control Mean (SD)
0 month	N=116	N=58	N=58	N=116	N=58	N=58
	9.26	9.6	8.7	3.57	3.6	3.4
	(2)	(2.5)	(1.1)	(0.8)	(1)	(0.6)
12 months	N=92	N=50	N=42	N=92	N=50	N=42
	10.2	10.8	9.4	3.8	4	3.62
	(8)	(10.7)	(1.02)	(0.8)	(0.8)	(0.8)
24 months	N=62	N=34	N=28	N=65	N=37	N=28
	9.3	9.07	9.6	3.78	3.8	3.71
	(1.1)	(2.8)	(0.9)	(0.9)	(1)	(0.6)