Sensitivity, specificity, positive predictive value, and negative predictive value of multi-detector helical CT with oral contrast were 97.6%, 75%, 93.0%, and 90.0%, respectively.

• 口服肠道准备小肠CT检查的敏感度为97.；6%25(40/41)；特异度为75%25(9/12)；阳性预测值为93