Table 1. Average prediction results obtained by a default method of 7-fold internal cross validation of the software of PLS-DA and OPLS-DA models based on standard 1D, CPMG and diffusion edited spectra of serum from ALL, AML, APA and healthy control.

	R2	Q2	Sensitivity	Specificity	Classification rate
PLS-DA model
Standard 1D	0.254	0.11	77.08	100	82.81
CPMG	0.291	0.086	79.17	100	84.38
Diffusion edited	0.234	0.099	66.67	32	75
OPLS-DA model
Standard 1D	0.344	0.306	64.58	93.75	71.88
CPMG	0.62	0.492	87.5	100	90.63
Diffusion edited	0.416	0.308	67.71	100	75.78