Site-Specific Volumetric Skeletal Changes in Women with a Distal Forearm Fracture
Table 1
Descriptive statistics of women with a distal forearm fracture and age-matched controls.
Control
Fracture
Significance
n = 99
n = 104
Mean (SD)
Mean (SD)
value
Age (years)
63.9 (7.7)
65.5 (8.9)
0.18
Body height (m)
1.64 (0.06)
1.64 (0.06)
0.84
Body weight (kg)
70.3 (12.8)
68.8 (11.0)
0.37
BMI (kg/m2)
26 (5)
26 (4)
0.50
Serum calcium (mmol/L)
2.38 (0.12)
2.37 (0.09)
0.30
Parathyroid hormone (pmol/L)
4.9 (2.3)
4.7 (2.2)
0.51
PHPTa
4 (4)
4 (4)
1.0
25OHD (nmol/L)
59 (21)
64 (24)
0.13
Vitamin D insufficiencyb
31 (33)
28 (27)
0.38
DXA
aBMD femoral neck (g/cm2)
0.871 (0.122)
0.810 (0.104)
<0.001
T-score femoral neck
−1.2 (0.9)
−1.6 (0.7)
<0.001
aBMD L1–L4 (g/cm2)
1.114 (0.175)
0.995 (0.130)
<0.001
T-score L1–L4
−0.6 (1.4)
−1.5 (1.0)
<0.001
Osteoporosisc
17 (18)
39 (38)
0.001
Continuous variables are described as means and standard deviations (SD). Dichotomous variables are described as frequencies and percentages. BMI, body mass index; aBMD, areal bone mineral density by DXA.T-test. PHPT, vitamin D insufficiency and osteoporosis: Pearson’s chi-squared test or Fischer’s exact test Number (%). aPrimary hyperparathyroidism defined as PTH >9.6 pmol/L combined with calcium >2.5 mmol/L. b25OHD <50 nmol/L. cT-score ≤−2.5 in the hip or spine.
