TABLE I.
Patient and Hospital Characteristics (N = 197,290)
| Characteristics | No. (%) |
| Patient Characteristics | |
| Age group | |
| <65 yr | 21,967 (11.1%) |
| 65-75 yr | 29,683 (15.1%) |
| 76-85 yr | 75,453 (38.2%) |
| >85 yr | 70,187 (35.6%) |
| Sex | |
| Male | 52,916 (26.8%) |
| Female | 144,374 (73.2%) |
| Race | |
| White | 166,782 (84.5%) |
| Black | 9,457 (4.8%) |
| Asian | 3,252 (1.7%) |
| Other | 9,610 (4.9%) |
| Missing | 8,189 (4.2%) |
| Osteoporosis diagnosis present on admission | 32,178 (16.3%) |
| Deyo comorbidity index | |
| 0 | 102,119 (51.8%) |
| 1 | 54,185 (27.5%) |
| 2 | 21,488 (10.9%) |
| 3 | 8,039 (4.1%) |
| ≥4 | 11,459 (5.8%) |
| Insurance type | |
| Medicare | 163,643 (83.0%) |
| Medicaid | 7,673 (3.9%) |
| Private | 17,423 (8.8%) |
| Workers’ Compensation | 1,854 (0.9%) |
| No-fault | 3,275 (1.7%) |
| Other or uninsured | 3,422 (1.7%) |
| Type of hip fracture treatment | |
| Total hip arthroplasty | 5,963 (3.0%) |
| Hip hemiarthroplasty | 56,865 (28.8%) |
| Other (including open reduction and internal fixation) | 134,462 (68.2%) |
| Characteristics of treating hospital | |
| No. of beds | |
| <200 | 40,382 (20.5%) |
| 200-299 | 41,519 (21.0%) |
| 300-399 | 30,316 (15.4%) |
| 400-499 | 27,940 (14.2%) |
| ≥500 | 57,133 (29.0%) |
| Location of hospital | |
| Urban | 171,467 (86.9%) |
| Rural | 25,823 (13.1%) |
| Teaching status | |
| Teaching | 70,853 (35.9%) |
| Not teaching | 127,067 (64.4%) |