Table 3.

Cross-Validation results (confusion matrices) and accuracies from the OPLS-DA analysis of the CPMG NMR spectra for intestinal ischemia, strangulated obstruction, and mechanical obstruction.

Predicted/Diagnosed	Intestinal Ischemia	Intestinal Strangulated Obstruction	Intestinal Mechanical Obstruction
	CPMG SPECTRA (Cross Validation)
Predicted as Intestinal ischemia	6	1	0
Predicted as Intestinal Strangulated Obstruction	0	5	0
Predicted as Intestinal Mechanical Obstruction	0	0	11
Accuracy (%)	95.7	90.7	100