Table 1.
Patient Demographics
| Variable (%) | ED-Surgery (n=516) | Elective (n=7635) | All (n =8151) | p-value |
|---|---|---|---|---|
| Method of Presentation | 6.33 | 93.67 | 100.0 | <.0001 |
| Gender | 0.8896 | |||
| Male | 50.39 | 50.07 | 50.09 | |
| Female | 49.61 | 49.93 | 49.91 | |
| Race | <.0001 | |||
| White | 60.09 | 82.23 | 80.80 | |
| Black | 19.96 | 8.81 | 9.53 | |
| Hispanic | 16.23 | 6.37 | 7.00 | |
| Asian or Pacific Islander | 3.73 | 2.59 | 2.67 | |
| Age (years) | 0.0034 | |||
| <55 | 19.96 | 16.75 | 16.95 | |
| 55–65 | 31.01 | 26.08 | 26.39 | |
| 65–75 | 27.71 | 33.84 | 33.46 | |
| >75 | 21.32 | 23.33 | 23.20 | |
| Median Household Income (by patient ZIP Code) | <.0001 | |||
| $1–$38,999 | 32.60 | 21.16 | 21.87 | |
| $39,000–$47,999 | 22.33 | 24.64 | 24.50 | |
| $48,000–$62,999 | 27.16 | 25.98 | 26.06 | |
| $63,000+ | 17.91 | 28.22 | 27.58 | |
| Expected Primary Payer | <.0001 | |||
| Medicare | 44.77 | 52.64 | 52.14 | |
| Medicaid | 18.60 | 4.73 | 5.61 | |
| Private Insurance | 28.10 | 37.80 | 37.19 | |
| Self-pay | 5.62 | 2.13 | 2.36 | |
| Other | 2.91 | 2.70 | 2.71 | |
| Elixhauser Comorbidity Score | <.0001 | |||
| <0 | 9.11 | 13.31 | 13.04 | |
| 0 | 19.77 | 36.32 | 35.27 | |
| 1–5 | 26.94 | 24.49 | 24.65 | |
| 6–13 | 31.78 | 20.76 | 21.46 | |
| 14+ | 12.40 | 5.12 | 5.58 | |
| Condition Present at Admission | ||||
| Biliary Obstruction | 28.49 | 11.38 | 12.46 | <.0001 |
| Duodenal Obstruction | 4.26 | 1.11 | 1.31 | <.0001 |
| Gastrointestinal Bleeding | 4.46 | 1.39 | 1.58 | <.0001 |