Readmission, reoperation, discharge destination, and delayed hospital lengths of the stays ( >5, >7, >10, and >15 d) for the dehydrated and not dehydrated groups.
| Variables | Dehydration (Blood Urea Nitrogen/Creatinine >20) | P | |||
| Not Dehydrated | Dehydrated | ||||
| N | % | N | % | ||
| Readmission | |||||
| No | 10,401 | 97.0% | 4045 | 96.2% | 0.008 |
| Yes | 325 | 3.0% | 161 | 3.8% | |
| Reoperation | |||||
| No | 10,535 | 98.2% | 4105 | 97.6% | 0.008 |
| Yes | 191 | 1.8% | 101 | 2.4% | |
| Discharge Destination | |||||
| Home | 10,228 | 95.4% | 3788 | 90.1% | <0.001 |
| Not home | 498 | 4.6% | 418 | 9.9% | |
| Delayed Hospital Stay (>5 d) | |||||
| No | 10,047 | 93.7% | 3755 | 89.3% | <0.001 |
| Yes | 679 | 6.3% | 451 | 10.7% | |
| Delayed Hospital Stay (>7 d) | |||||
| No | 10,330 | 96.3% | 3909 | 92.9% | <0.001 |
| Yes | 396 | 3.7% | 297 | 7.1% | |
| Delayed Hospital Stay (>10 d) | |||||
| No | 10,525 | 98.1% | 4027 | 95.7% | <0.001 |
| Yes | 201 | 1.9% | 179 | 4.3% | |
| Delayed Hospital Stay (>15 d) | |||||
| No | 10,627 | 99.1% | 4117 | 97.9% | <0.001 |
| Yes | 99 | 0.9% | 89 | 2.1% | |