Table 2. Characteristics of the population according to fractured status.
| Characteristics | Fractured (N= 37) | Not fractured (N= 164) | P-value |
|---|---|---|---|
| Mean±s.d. | Mean±s.d. | ||
| Age (years) | 73.54±10.28 | 65.07±12.47 | <0.001 |
| BMI (kg/m2) | 27.27±4.73 | 26.75±4.75 | 0.558 |
| BMD total hip (g/cm2) | 0.789±0.114 | 0.920±0.152 | <0.001 |
| T-score total hip (DS) | –1.40±0.76 | –0.56±0.99 | <0.001 |
| BMD femoral neck (g/cm2) | 0.636±0.094 | 0.759±0.139 | <0.001 |
| T-score femoral neck (DS) | –1.96±0.75 | –1.14±1.04 | <0.001 |
| BMD lower spine (g/cm2) | 0.851±0.121 | 0.974±0.161 | 0.005 |
| T-score lower spine (DS) | –2.09±1.10 | –0.92±1.43 | 0.001 |
| Albumin (g/l) | 40.74±5.07 | 42.75±4.94 | 0.027 |
| Calcium (mmol/l) | 2.33±0.12 | 2.33±0.10 | 0.964 |
| Phosphate (mmol /l) | 1.03±0.13 | 0.99±0.16 | 0.217 |
| Creatinine (μmol/l) | 80.19±27.49 | 76.66±24.26 | 0.437 |
| C-reactive protein (mg/l) | 12.11±16.78 | 7.43±16.23 | 0.118 |
| 25 Hydroxyvitamine D (nmol/l) | 61.89±34.67 | 54.22±26.93 | 0.150 |
| PTH (pg/ml) | 36.89±27.06 | 38.36±23.52 | 0.745 |
| β2 Microglobulin (mg/l) | 2.49±0.89 | 2.16±0.99 | 0.075 |
| LDH (UI/l) | 287.54±104.57 | 276.56±110.21 | 0.591 |
| Marrow plasma cells (%) | 3.13±2.16 | 3.34±2.37 | 0.752 |
| Monoclonal protein in serum (g/l) | 6.95±5.32 | 5.75±4.78 | 0.180 |
| BALP (UI/l) | 14.94±7.03 | 13.49±9.29 | 0.379 |
| Categorical variables | |||
| Sex (women) | 20 (54.05%) | 83 (50.61%) | 0.73 |
| γ Heavy chain (IgG) | 16 (43.24%) | 88 (53.66%) | 0.27 |
| μ Heavy chain (IgM) | 17 (45.94%) | 50 (30.49%) | |
| α Heavy chain (IgA) | 2 (5.41%) | 19 (11.59%) | |
| Double isotype heavy chain | 2 (5.41%) | 7 (4.27%) | |
| κ Light chain | 16 (43.24%) | 113 (68.90%) | 0.013 |
| λ Light chain | 18 (48.65%) | 45 (27.44%) | |
| Double isotype light chain | 3 (8.11%) | 6 (3.66%) | |
Abbreviations: BALP, bone-alkaline phosphatase; BMD, bone mineral density; BMI, body mass index; CTX, C-terminal telopeptid of collagen-1; Ig, immunoglobulin; LDH, lactate dehydrogenase; PTH, parathormone.