Vitamin D Range
Variables < 20 ng/ml 20 to 32 ng/ml > 32 ng/ml
n (%) n (%) n (%)
Sex      
Boys 3 (9.7) 13 (41.9) 15 (48.4)
Girls 6 (20.0) 9 (30.0) 15 (50.0)
Age (years)      
0–3 years 5 (21.7) 5 (21.7) 13 (56.5)
4–10 years 2 (9.5) 7 (33.3) 12 (57.1)
> 11 years 2 (11.8) 10 (58.8) 5 (29.4)
Race      
Caucasian 5 (10.4) 17(35.4) 26 (54.2)
Asian 1 (100) 0 (0) 0 (0)
Black 2 (50) 0 (0) 2 (50)
Other 1 (12.5) 5 (62.5) 2 (25.0)
Sillence type      
Type I 4 (12.9) 8 (25.8) 19 (61.3)
Type III 2 (14.2) 6 (42.9) 6 (42.9)
Type IV 3 (18.8) 8 (50.0) 5 (31.2)
BMI      
Low (< 5%) 2 (28.6) 3 (42.9) 2 (28.6)
Normal (5%–95%) 2 (7.4) 9 (33.3) 16 (59.3)
High (> 95%) 1 (14.3) 4 (57.1) 2 (28.6)
Fracture count      
< 10 4 (13.8) 8 (27.6) 17 (58.6)
> 10 5 (15.6) 14 (43.8) 13 (40.6)
Pamidronate treatment      
Without treatment 4 (17.4) 5 (21.7) 14 (60.9)
With treatment 5 (13.2) 17 (44.7) 16 (42.1)
Season      
Winter 3 (15.8) 6 (31.6) 10 (52.6)
Spring 2 (20.0) 4 (40.0) 4 (40.0)
Summer 4 (20.0) 7 (35.0) 9 (45.0)
Autumn 0 (0) 5 (41.7) 7 (58.3)
Abbreviations and notes:
Descriptive statistics of vitamin D categories and its distribution among study variables.
BMI, body mass index
Table 2: OI Patient Population Characteristics and Vitamin D Status.