Table 2 Diagnostic analysis of the urine-NMR metabolomics samples in detecting colorectal neoplasia.

From: Urine-NMR metabolomics for screening of advanced colorectal adenoma and early stage colorectal cancer

Ā 

Healthy control (n = 156)

CRNa (n = 92)

Model R2/Q2

Specificity

Sensitivity

Model

Validation

Model

Validation

All CRN*

Samples

104

52

62

30

R2

0.864

96.2%

100%

Prediction

50/52

30/30

Q2

0.714

Pre-invasive CRNb

Samples

104

52

40

20

R2

0.845

96.2%

95%

Prediction

50/52

19/20

Q2

0.732

Stage 0 CRCc

Samples

104

52

17

7

R2

0.830

98.1%

100%

Prediction

51/52

7/7

Q2

0.644

Advanced adenoma

Samples

104

52

24

12

R2

0.727

100%

75%

Prediction

52/52

9/12

Q2

0.634

  1. aCRN, colorectal neoplasia including colorectal cancer and advanced adenoma.
  2. bPre-invasive CRN, stage 0 colorectal cancer and advanced adenoma.
  3. cCRC, Colorectal cancer.