Table 1.
Univariate Analysis of Characteristics of Patients Who Either Had a Dual-energy X-ray Absorptiometry Scan or Did Not Have a Dual-energy X-ray Absorptiometry Scan Before Hip Fractures
| Demographic Factor | Total | No DEXA Scan Before Hip Fracture | DEXA Scan Before Hip Fracture | P |
| N | 58,099 (100%) | 46,610 (80.2%) | 11,489 (19.8%) | |
| Age | ||||
| 65-69 | 6172 (10.6%) | 5326 (11.4%) | 2117 (18.4%) | <0.0001 |
| 70-74 | 6839 (11.8%) | 5279 (11.3%) | 2758 (24%) | |
| 75-79 | 8698 (15%) | 6566 (14.1%) | 3276 (28.5%) | |
| 80-84 | 10,918 (18.8%) | 8379 (18%) | 3323 (28.9%) | |
| 85+ | 25,691 (44.2%) | 21,060 (45.2%) | 2508 (21.8%) | |
| Sex | ||||
| Female | 41,395 (71.2%) | 30,860 (66.2%) | 10,467 (91.1%) | <0.0001 |
| Male | 16,704 (28.8%) | 15,750 (33.8%) | 948 (8.3%) | |
| ECI (mean ± SD) | 7.57 ± 4.25 | 7.28 ± 4.20 | 5.27 ± 3.86 | |
| 0-3 | 10,523 (18.1%) | 9423 (20.2%) | 4423 (38.5%) | <0.0001 |
| 4-7 | 20,360 (35%) | 16,580 (35.6%) | 4183 (36.4%) | |
| 8-11 | 16,595 (28.6%) | 12,886 (27.6%) | 1980 (17.2%) | |
| 12+ | 10,616 (18.3%) | 7701 (16.5%) | 891 (7.8%) | |
| Race/ethnicity | ||||
| White | 52,890 (91%) | 42,141 (90.4%) | 10,749 (93.6%) | <0.0001 |
| Native American | 375 (0.6%) | 335 (0.7%) | 40 (0.3%) | |
| Black | 2460 (4.2%) | 2116 (4.5%) | 344 (3.0%) | |
| Hispanic | 932 (1.6%) | 798 (1.7%) | 134 (1.2%) | |
| Asian | 875 (1.5%) | 746 (1.6%) | 129 (1.1%) | |
| Other | 567 (1%) | 474 (1%) | 93 (0.8%) | |
| Income (based on zip code) | ||||
| High income (>75k/yr) | 12,842 (22.1%) | 10,393 (22.3%) | 2449 (21.3%) | <0.0001 |
| Low income (<75k/yr) | 45,257 (77.9%) | 36,217 (77.7%) | 9040 (78.7%) |
DEXA = Dual-energy X-ray Absorptiometry
Bold entries represent statistically significant P values at P < 0.05.