Table 3.

Characteristics of the included patients according to their vitamin d prescription/intake behavior (with self-prescribed (group 1), without (group 2) and with physician-prescribed (group 3) vitamin D supplementation)

	Group 1 (n = 12)	Group 2 (n = 83)	Group 3 (n = 7)
Age	66 (11)	70 (12)	73 (12)
Gender
Female	12	66	7
Male	0	17	0
Serum level
Vit. D in nmol/ml	99.9 (57.0)	49.6 (28.4)	72.1 (39.0)
Ca	1.9 (0.1)	1.9 (0.2)	1.9 (0.1)
Ph	1.3 (0.2)	1.1 (0.2)	1.1 (0.2)
Crea	79 (36)	71 (24)	81 (47)
ALP	12 (5)	14 (6)	17 (11)
PTH	43 (16)	63 (62)	75 (58)

Data are presented as mean values with standard deviation in brackets