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Receiver operating characteristic (ROC) curve analysis. The figure showed the ROC of hemoglobin (P < 0.001, the cutoff value = 118 with sensitivity of 73.0% and specificity of 71.4%), NLR (P = 0.001, the cutoff value = 1.69 with sensitivity of 78.4% and specificity of 59.2%), Score of ulceration in LGIT (P < 0.001, the cutoff value = 2.50 with sensitivity of 70.3% and specificity of 77.6%), and pseudopolyps (P = 0.070)
