Table 1.
Patient Demographics and Hospital Characteristics
| Variables | Normal LOS (≤4 Days) (n = 23,159) | Extended LOS (>4 Days) (n = 6802) | P |
|---|---|---|---|
| Age (years) | |||
| Mean ± standard deviation | 36.7 ±12.0 | 38.8±13.3 | 0.001 |
| Median (interquartile range) | 35 (27—45) | 37 (29—47) | 0.003 |
| Female (%) | 81.9 | 80.7 | 0.435 |
| Race (%) | <0.001 | ||
| White | 73.5 | 62.3 | |
| Black | 12.6 | 20.0 | |
| Hispanic | 8.5 | 12.1 | |
| Other | 5.4 | 5.6 | |
| Median household income quartile (%) | <0.001 | ||
| 0—25th | 24.9 | 32.6 | |
| 26—50th | 25.4 | 22.5 | |
| 51—75th | 28.0 | 27.1 | |
| 76—100th | 21.6 | 17.8 | |
| Primary expected payer (%) | <0.001 | ||
| Medicare | 6.9 | 11.1 | |
| Medicaid | 16.0 | 19.1 | |
| Private insurance | 69.3 | 60.0 | |
| Other | 7.8 | 9.8 | |
| Hospital demographics | |||
| Hospital region (%) | 0.169 | ||
| Northeast | 17.1 | 16.5 | |
| Midwest | 24.1 | 20.1 | |
| South | 37.6 | 42.4 | |
| West | 21.2 | 21.0 | |
| Hospital bedsize (%) | 0.357 | ||
| Small | 8.3 | 6.4 | |
| Medium | 17.1 | 17.3 | |
| Large | 74.6 | 76.2 | |
| Hospital teaching status (%) | 0.377 | ||
| Rural | 0.8 | 1.4 | |
| Urban nonteaching | 21.9 | 22.6 | |
| Urban teaching | 77.3 | 76.0 | |
LOS, length of hospital stay.