TABLE 1.
Demographic and Provider-Related Characteristics in Patients With and Without PE
| Parameter | All patients | No PE | PE | P |
|---|---|---|---|---|
| Weighted N (%) | 422,372 (100) | 421,314 (99.72) | 1,058 (0.25) | |
| Average age (yr ± SD) | 69±11 | 69±11 | 72±11 | <0.001 |
| Age group, yr (%) | ||||
| <45 | 3.0 | 3.0 | 1.4 | |
| 45–64 | 29.0 | 29.0 | 22.3 | |
| 65–84 | 33.7 | 33.7 | 30.8 | <0.001 |
| >85 | 34.3 | 34.3 | 45.4 | |
| Sex (%) | ||||
| Female | 60.3 | 60.3 | 67.5 | |
| Male | 39.7 | 39.7 | 32.5 | <0.001 |
| Race | ||||
| White | 91.9 | 91.9 | 90.5 | |
| Black | 3.1 | 3.1 | 3.6 | |
| Hispanic | 2.9 | 2.9 | 4.2 | 0.038 |
| Other | 2.2 | 2.2 | 1.7 | |
| Household income (%) | ||||
| $1–$38,999 | 20.7 | 20.7 | 20.6 | |
| $39,000–$47,999 | 27.1 | 27.1 | 26.5 | |
| $48,000–$62,999 | 26.6 | 26.6 | 24.6 | 0.179 |
| ≥$63,000 | 25.6 | 25.6 | 28.3 | |
| Insurance status (%) | ||||
| Medicare | 66.3 | 66.3 | 73.8 | |
| Medicaid | 2.6 | 2.6 | 3.8 | |
| Private | 26.4 | 26.4 | 17.7 | <0.001 |
| Other | 4.7 | 4.7 | 4.7 | |
| Primary diagnosis (%) | ||||
| Osteoarthrosis | 61.3 | 61.4 | 40.2 | |
| Proximal humerus fracture | 16.6 | 16.6 | 39.4 | |
| Avascular necrosis | 3.4 | 3.4 | 1.2 | |
| Rheumatoid arthritis | 1.4 | 1.4 | 1.3 | <0.001 |
| Non-union of humerus fracture | 2.3 | 2.3 | 1.4 | |
| Rotator cuff arthropathy | 9.9 | 9.9 | 5.6 | |
| Other | 5.1 | 5.0 | 10.9 | |
| Hospital size (%) | ||||
| Small | 15.1 | 15.1 | 9.4 | |
| Medium | 23.7 | 23.7 | 27.8 | <0.001 |
| Large | 61.2 | 61.2 | 62.8 | |
| Hospital teaching status (%) | ||||
| Non-teaching | 54.4 | 54.4 | 51.1 | 0.030 |
| Teaching | 45.6 | 45.6 | 48.9 | |
| Hospital location (%) | ||||
| Urban | 88.5 | 88.5 | 88.3 | 0.824 |
| Rural | 11.5 | 11.5 | 11.7 | |
| Type of arthroplasty (%) | ||||
| Total | 59.3 | 59.4 | 47.6 | <0.001 |
| Partial | 40.7 | 40.6 | 52.4 | |
| Length of stay (days ± SD) | 2.7±2.5 | 2.7±2.5 | 9.5±9.1 | <0.001 |