Group Baseline 2 Mths of supplem 5 Mths of supplem
Whole group 25 OHD
6 [52]
4 – 11 		N tact PTH
46
33 – 62 		25 OHD
19.6* [52]
14.6 – 28.75 		N tact PTH
28.7*
22.5 – 36 		25 OHD
27.4* [26]
19.4 - 41.5 		N tact PTH
28
24 - 37
Sub groups            
25 OHD
Deficiency		 4.00 [28]
(4 - 9.55)		 46.7
(31 - 66)		 14.76 [28]
(9.61 - 17.5)		 27.23
(23 - 38)		 26.30 [20]
(18.62 - 33)		 27.90
(24 - 39)
25 OHD
Insufficiency		 7.05 [12]
(4 -11.5)		 40.65
(29 - 61)		 26.50 [12]
(23.4 - 27.8) 		28.71
(21.5 -37)		 41.38 [6]
(39.5 -52.8)		 30.26
(19.6 - 53)
25 OHD
Sufficiency		 11.45 [12]
(5.4 - 16.2) 		49.00
(39.5 - 57.7) 		36.75 [12]
(32.9 - 47)		 33.20
(19.2 - 34.7) 		   
Categorization of 25 OHD subgroups is based on their response after 2 months of supplementation
25 OH D (ng/ml) and N tact PTH (pg/ml): median and Inter quartile range (IQR)
Values in square brackets in 25OHD columns denote the number.
*P<0.001
Table 2: Biochemical characterization of the study group based on subjects who responded at initial supplementation of cholecalciferol at the end of 2nd month and their follow up till 5th month.
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