Table 5.
Multivariable model of inpatient admission costs
| Variable | Coefficient |
95%CI
|
P value | |
|
Lower
|
Upper
|
|||
| Rural | -$853.03 | -$1059.62 | -$646.44 | < 0.0001 |
| Colonoscopy | ||||
| Yes | $2198.68 | $2080.08 | $2317.27 | < 0.0001 |
| No | Reference | |||
| Age | ||||
| 18-64 | Reference | |||
| 65-74 | $353.75 | $159.71 | $547.79 | < 0.0001 |
| 75-84 | $569.47 | $377.06 | $761.87 | < 0.0001 |
| 85+ | $184.80 | -$16.82 | $386.42 | 0.072 |
| Sex | ||||
| Male | Reference | |||
| Female | -$487.40 | -$606.30 | -$368.49 | < 0.0001 |
| Race | ||||
| White | Reference | |||
| Black | $1065.28 | $903.76 | $1226.81 | < 0.0001 |
| Hispanic | $571.60 | $343.11 | $800.10 | < 0.0001 |
| Asian | $2228.13 | $1858.86 | $2597.39 | < 0.0001 |
| Other | $938.42 | $514.93 | $1361.92 | < 0.0001 |
| Missing | -$223.19 | -$492.88 | $46.49 | 0.105 |
| Payer | ||||
| Medicare | Reference | |||
| Medicaid | $209.94 | -$85.38 | $505.27 | 0.164 |
| Commercial | -$432.66 | -$624.55 | -$240.77 | < 0.0001 |
| Other | -$788.60 | -$1105.57 | -$471.62 | < 0.0001 |
| Missing | -1065.893 | -2652.626 | 520.839 | 0.188 |
| Hospital bed size | ||||
| Small | -$418.08 | -$590.47 | -$245.70 | < 0.0001 |
| Medium | -$305.15 | -$440.76 | -$169.54 | < 0.0001 |
| Large | Reference | |||
| Teaching | ||||
| No | Reference | |||
| Yes | $604.62 | $477.91 | $731.33 | < 0.0001 |
| Charlson comorbidity index | $601.63 | $570.19 | $633.06 | < 0.0001 |
| Intercept | $7859.86 | $7642.30 | $8077.41 | < 0.0001 |