Table 2. Demographics and Baseline Characteristics for Hysterectomy Surgery Patients.
| Variable | IV APAP (N = 4,181) | % | Oral APAP (N = 5,586) | % |
|---|---|---|---|---|
| Age (mean, SD) | 47.4 (12.0) | 47.1 (11.5) | ||
| Imputed BMI (mean, SD) | 30.9 (7.7) | 30.8 (7.4) | ||
| Race | ||||
| Caucasian | 2,833 | 67.8% | 4,013 | 71.8% |
| African American | 1,009 | 24.1% | 1,069 | 19.1% |
| Asian/other | 265 | 6.3% | 369 | 6.6% |
| Hispanic | 18 | 0.4% | 79 | 1.4% |
| Missing/unknown | 56 | 1.3% | 56 | 1.0% |
| Admission source | ||||
| Emergency | 31 | 0.7% | 11 | 0.2% |
| Healthcare facility | 10 | 0.2% | 10 | 0.2% |
| Non-healthcare facility | 3,448 | 82.5% | 4,939 | 88.4% |
| Other | 141 | 3.4% | 95 | 1.7% |
| Unknown | 246 | 5.9% | 531 | 9.5% |
| Admission type | ||||
| Emergency | 165 | 4.0% | 136 | 2.4% |
| Urgent | 56 | 1.3% | 149 | 2.7% |
| Elective | 3,833 | 91.7% | 5,213 | 93.3% |
| Other | 85 | 2.0% | 2 | 0.1% |
| Unknown | 42 | 1.0% | 86 | 1.5% |
| Hospital characteristics | ||||
| Urban | 2,690 | 64.3% | 5,056 | 90.5% |
| Teaching hospital (22 patients missing) | 2,962 | 71.2% | 3,317 | 59.4% |
| Bed size | ||||
| < 200 | 848 | 20.3% | 1,389 | 24.9% |
| 200 to 299 | 763 | 18.3% | 1,120 | 20.1% |
| 300 to 499 | 1,533 | 36.7% | 1,539 | 27.6% |
| 500+ | 1,037 | 24.8% | 1,538 | 27.5% |
| Census region | ||||
| Midwest | 957 | 22.9% | 1,298 | 23.2% |
| Northeast | 1,046 | 25.0% | 2,047 | 36.7% |
| South | 1,507 | 36.0% | 1,668 | 29.9% |
| West | 671 | 16.1% | 573 | 10.3% |
A total of 9,767 hysterectomy surgery patients were analyzed. IV: intravenous; APAP: acetaminophen; SD: standard deviation; BMI: body mass index.