Prognostic factors for requiring an operation in patients with ulcerative colitis.

Note: Only variables that demonstrated a p-value <0.1 in univariate analysis were entered into the multiple logistic regression model. Highly sialylated multi-branched glycans was excluded in multivariate analysis to avoid the multicollinearity with Glycan ratio m/z 2378/1914. †The data of ESR were not available in 13 patients. Abbreviations: ALB, albumin; CAI, clinical activity index; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; PLT, platelet; WBC, white blood cell count.