Table 3.
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 After Having a Hip Fracture
| Demographic Factor | Total | No DEXA Scan After Hip Fracture | DEXA Scan After Hip Fracture | P |
| N | 46,610 (100%) | 44,778 (96.1%) | 1832 (3.9%) | |
| Age | ||||
| 65-69 | 5286 (11.3%) | 4864 (10.9%) | 422 (23%) | <0.0001 |
| 70-74 | 5290 (11.3%) | 4970 (11.1%) | 320 (17.5%) | |
| 75-79 | 6551 (14.1%) | 6217 (13.9%) | 334 (18.2%) | |
| 80-84 | 8382 (18%) | 8045 (18%) | 337 (18.4%) | |
| 85+ | 21,101 (45.3%) | 20,682 (46.2%) | 419 (22.9%) | |
| Sex | ||||
| Female | 30,860 (66.2%) | 29,454 (65.8%) | 1406 (76.7%) | <0.0001 |
| Male | 15,750 (33.8%) | 15,324 (34.2%) | 426 (23.3%) | |
| ECI (mean ± SD) | 7.01 ± 4.19 | 7.33 ± 4.20 | 6.69 ± 4.18 | |
| 0-3 | 9344 (20%) | 8872 (19.8%) | 472 (25.8%) | <0.0001 |
| 4-7 | 16,566 (35.5%) | 15,886 (35.5%) | 680 (37.1%) | |
| 8-11 | 12,919 (27.7%) | 12,494 (27.9%) | 425 (23.2%) | |
| 12+ | 7731 (16.6%) | 7508 (16.8%) | 223 (12.2%) | |
| Race/ethnicity | ||||
| White | 42,141 (90.4%) | 40,452 (90.3%) | 1689 (92.2%) | 0.0117 |
| Native American | 335 (0.7%) | 319 (0.7%) | 16 (0.9%) | |
| Black | 2116 (4.5%) | 2055 (4.6%) | 61 (3.3%) | |
| Hispanic | 798 (1.7%) | 781 (1.7%) | 17 (0.9%) | |
| Asian | 746 (1.6%) | 714 (1.6%) | 32 (1.7%) | |
| Other | 474 (1%) | 457 (1%) | 17 (0.9%) | |
| Income (based on zip code) | ||||
| Low income (<75k/yr) | 36,620 (78.6%) | 35,195 (78.6%) | 1425 (77.8%) | |
| High income (>75k/yr) | 9990 (21.4%) | 9583 (21.4%) | 407 (22.2%) | 0.4213 |
ECI = Elixhauser Comorbidity Index, DEXA = Dual-energy X-ray Absorptiometry
Bold entries represent statistically significant P values at P < 0.05.