Table 1.

Demographic data of the enrolled patients.

Variables
Sex (female)	79.7%
Age	77.2 ± 0.15
Body Mass Index	21.7 ± 0.06
Primary fracture site
Proximal part of the femur	73.7%
Proximal part of the humerus	6.3%
Distal part of the radius	20.0%
Diabetes	19.1%
Chronic kidney disease	21.6%
Rheumatoid arthritis	2.6%
Chronic obstructive pulmonary disease	3.9%
Presence of malignant tumor	12.1%
Glucocorticoid use	2.8%
Warfarin use	5.2%
Pre-operative Ca or Vit. D	6.2%
Pre-operative treatments for osteoporosis	7.9%
Post-operative Ca or Vit. D	12.7%
Post-operative treatments for osteoporosis	28.6%
Follow-ups more than 24 months	39.2%

Data presented as mean (standard error of the mean). Ca: calcium; Vit. D: vitamin D3.