Table 3. Multivariate linear regression analysis of CMV disease or infection's impacts on LOS and total hospital charges in IBD patients.
|
LOS |
Total charges |
|||||
|---|---|---|---|---|---|---|
| Days | 95% CI | P-value | Dollars | 95% CI | P-value | |
| CMV disease or infection | <0.0001 | <0.0001 | ||||
| No | Reference | Reference | ||||
| Yes | 7.77 | (5.98, 9.55) | 66,495 | (45,486, 87,505) | ||
| Race | <0.0001 | <0.0001 | ||||
| White | Reference | Reference | ||||
| Black | −0.47 | (−0.70, −0.24) | −1,802 | (−3,516, −88) | ||
| Hispanic | −0.40 | (−0.61, −0.20) | 5,334 | (3,485, 7,184) | ||
| Other | −0.14 | (−0.50, 0.23) | 5,606 | (2,774, 8,439) | ||
| Hospital bed size | <0.0001 | <0.0001 | ||||
| Small | −0.83 | (−1.12, −0.54) | −8,336 | (−10,683, −5,988) | ||
| Medium | −0.53 | (−0.73, −0.32) | −4,157 | (−5,902, −2,412) | ||
| Large | Reference | Reference | ||||
| Hospital type | 0.0018 | <0.0001 | ||||
| Rural | −0.51 | (−0.80, −0.21) | −10,613 | (−12,735, −8,490) | ||
| Urban non-teaching | −0.13 | (−0.34, 0.07) | 2,506 | (724, 4,289) | ||
| Urban teaching | Reference | Reference | ||||
| Elixhauser score | <0.0001 | <0.0001 | ||||
| <3 | Reference | Reference | ||||
| ≥3 | 1.74 | (1.56, 1.92) | 11,588 | (10,354, 12,822) | ||
| IBD admission volume | 0.7647 | 0.0138 | ||||
| Low (0–50) | −0.18 | (−0.68, 0.32) | −6,096 | (−11,180, −1,011) | ||
| Medium (51–150) | −0.13 | (−0.62, 0.36) | −7,569 | (−12,747, −2,391) | ||
| High (>150) | Reference | Reference | ||||
| Severity score | <0.0001 | <0.0001 | ||||
| Low | Reference | Reference | ||||
| Intermediate | 2.48 | (2.31, 2.66) | 14,157 | (12,954, 15,359) | ||
| High | 9.63 | (9.01, 10.26) | 56,657 | (51,817, 61,496) | ||
CI, confidence interval; CMV, cytomegalovirus; IBD, inflammatory bowel disease; LOS, length of stay.