Research Article

Predicting the Progress of Caustic Injury to Complicated Gastric Outlet Obstruction and Esophageal Stricture, Using Modified Endoscopic Mucosal Injury Grading Scale

Table 4

Univariate and multivariate analyses of mortality for individual parameters in patients with corrosive injury of gastrointestinal tract.

Parameter*UnivariateMultivariate
Risk95% CI Risk95% CI

Age6.6361.824–24.1430.0044.7251.168–19.1120.029
Gender0.3550.090–1.3930.1380.2280.040–1.3050.097
Acid/alkali1.4400.169–12.2610.738
Grade of esophagus injury3.4290.962–12.2150.0572.3200.468–11.5030.303
Grade of stomach injury5.1061.062–24.5580.0423.663 0.592–22.6700.163
Grade of duodenum injury3.4290.879–13.3790.0761.1040.189–6.4420.913

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.