Table 2

Sensitivity and specificity of ultrasound in detecting radiographic and/or endoscopic Crohn's disease (CD) lesions in the 211 non-operative CD patients

Site of lesion ascertained at x ray/endoscopyTrue positiveTrue negativeFalse positiveFalse negativeSensitivity (%)Specificity (%)
Ileum (n=186)180283696.790.3
Ascending colon (n=78)721252692.398.4
Transverse colon (n=73)65128388997.7
Descending/sigmoid colon (n=73)661303790.497.7
Total383411112793.497.3