Table 1.
Baseline characteristics of Study Population, According to TBS Level
| Characteristics | TBS Level [Range] (number) |
||
|---|---|---|---|
| Degraded [≤ 1.200] (n=1348) |
Partially degraded [>1.209 to <1.350] (n=2945) |
Normal [≥ 1.350] (n=1570) |
|
| *Age, years (sd) | 73.4 (5.7) |
74.0 (5.9) |
73.3 (5.8) |
| ^FRAX 10 year Hip Risk w/ BMD, median (IQR) | 0.017 (0.008–0.034) |
0.016 (0.007–0.030) |
0.011 (0.005–0.021) |
| ^FRAX 10 year MOF Risk w/ BMD, median (IQR) | 0.075 (0.053–0.105) |
0.068 (0.050–0.094) |
0.057 (0.045–0.077) |
| *Femoral Neck BMD, g/cm2 | 0.753 (0.121) |
0.773 (0.122) |
0.825 (0.131) |
| *BMI kg/m2, sd | 29.6 (3.5) |
26.8 (3.1) |
25.6 (2.9) |
| ‡‽Prior Clinical Fracture, % | 300 (22.2%) |
513 (17.4%) |
194 (12.4%) |
| †‽Parental Hip Fx, % | 195 (14.5%) |
377 (12.8%) |
175 (11.1%) |
| ‡‽Current Smoking, (%) | 69 (5.1%) |
92 (3.1%) |
41 (2.6%) |
| ‽≥ 3 Alcohol Drinks per day, n (%) | 61 (4.5%) |
115 (3.9%) |
58 (3.7%) |
| †‽Rheumatoid Arthritis, n (%) | 90 (6.7%) |
144 (4.9%) |
71 (4.5%) |
| ‡‽Glucocorticoid Medication Use, n (%) | 44 (3.3%) |
62 (2.1%) |
18 (1.1%) |
| ‡Prevalent Vertebral Fracture, % | 175 (13.0 %) |
199 (6.8%) |
62 (3.9%) |
*
p-value of association < 0.001 by ANOVA
^
p-value of association <0.001 by Kruskal Wallis rank test
‡
p-value of association <0.001 by chi-square test
†
p-value of association >0.001 &<0.05 by chi-square test
‽
Assumed to negative if datum was missing in calculating FRAX scores