Exploring the relationship between bone density and severity of distal radius fragility fracture in women

Table 1 Demographic variables, clinical characteristics, and bone density

	AO fracture group			Pvalues
	A	B	C	All three fracture groups	Extra- (A) versus intra-articular (B, C) fracture
	n = 83	n = 5	n = 22	All three fracture groups	Extra- (A) versus intra-articular (B, C) fracture
Age (year)	68.2 (10)	69.9 (12.5)	69.8 (8.9)	0.763	0.449
Height (cm)	164.5 (5.8)	163.2 (9.4)	166 (5.9)	0.493	0.491
Weight (kg)	68.0 (13.3)	67.3 (13.1)	72.4 (11.7)	0.374	0.220
Smoking current	11/83	0/5	3/21^a	0.674	0.560
Current exercise^b	65/83	3/5	13/21	0.232	0.076
Chronic disease^c	17/83	0/5	10/22	0.023	0.072
GC, current use	3/81^a	0/5	2/19^a	0.106	0.131
GC, ever use	5/81^a	1/5	5/19^a	0.028	0.016
Calcium, current use	12/80^a	1/5	5/21^a	0.662	0.341
Vitamin D, current use	12/80^a	1/5	4/21^a	0.877	0.406
Estrogen, current use	4/80	0	2/21	0.621	0.457
Bisphosphonate, current use	6/80^a	1/5	2/21^a	0.612	0.385
DXR BMD (g/cm²)	0.487 (0.079)	0.492 (0.109)	0.479 (0.053)	0.895	0.208
DXA fn BMD (g/cm²)	0.789 (0.130)	0.804 (0.770)	0.827 (0.130)	0.464	0.223
DXA tot hip BMD (g/cm²)	0.828 (0.119)	0.829 (0.132)	0.887 (0.116)	0.164	0.100
DXA spine BMD (g/cm²)	1.031 (0.174)	1.004 (0.168)	1.114 (0.242)	0.172	0.714

GC glucocorticoids, BMD bone mineral density, DXR digital X-ray radiogrammetry, DXA dual energy X-ray absorptiometry, fn femoral neck. ^aThe number differs due to missing values; ^bexercise at least 30 min three times a week; ^cinflammatory or endocrine chronic disease, RA 3, other rheumatic diseases 5, asthma 11, hypothyroidism 5, diabetes mellitus 5, hyperparathyroidism 1, other endocrine diseases 2. Distal radius fracture scored according to Müller AO Classification of Fractures of Long Bones. Continuous variables are presented as mean with standard deviation and categorical variables as numbers.

ISSN: 1749-799X