Table 4.
Univariate and multivariate analyses of mortality for individual parameters in patients with corrosive injury of gastrointestinal tract.
| Parameter∗ | Univariate | Multivariate | ||||
|---|---|---|---|---|---|---|
| Risk | 95% CI | P | Risk | 95% CI | P | |
| Age | 6.636 | 1.824–24.143 | 0.004 | 4.725 | 1.168–19.112 | 0.029 |
| Gender | 0.355 | 0.090–1.393 | 0.138 | 0.228 | 0.040–1.305 | 0.097 |
| Acid/alkali | 1.440 | 0.169–12.261 | 0.738 | |||
| Grade of esophagus injury | 3.429 | 0.962–12.215 | 0.057 | 2.320 | 0.468–11.503 | 0.303 |
| Grade of stomach injury | 5.106 | 1.062–24.558 | 0.042 | 3.663 | 0.592–22.670 | 0.163 |
| Grade of duodenum injury | 3.429 | 0.879–13.379 | 0.076 | 1.104 | 0.189–6.442 | 0.913 |
*Cut-off: age: ≥60 or <60 years; gender: male or female; type of ingestion substance: acid or alkali; grade of esophagus injury: grade III or not; grade of stomach injury: grade III or not; grade of duodenum injury: grade III or not.