Table 2. Metabolites significantly (p<0.05) expressed between all tumor and all normal tissues stratified by age.

Tumor vs. Normal (All ages)		Tumor vs. Normal (> 50yrs)		Tumor vs. Normal (< 50yrs)
Alanine	0.034	Alanine	0.004	Myo-inositol	0.040
ATP	0.006	ATP	0.012	Phosphocholine	0.049
Choline	0.012	Choline	0.001	Uridine	0.022
Creatine	0.043	Glucose	0.044
Glutamate	0.008	Glutamate	0.001
Glutamine	0.005	Glutamine	0.023
Glutathione	0.003	Glutathione	0.012
Glycine	0.032	Glycine	0.001
Lactate	0.001	Lactate	0.001
Myo-inositol	0.001	Lipid	0.015
Phosphocholine	0.001	Methionine	0.004
Taurine	0.001	Myo-inositol	0.001
Tyrosine	0.041	Phenylalanine	0.016
Uridine	0.034	Phosphocholine	0.005
		Taurine	0.003
		Threonine	0.006
		Tyrosine	0.012
		Unsaturated lipid	0.012
		Valine	0.015