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Table 2 List of discriminant metabolites based on the discriminant analysis (OPLS-DA) of Controls vs E. coli-pos

From: 1H NMR spectroscopy-based metabolomics analysis for the diagnosis of symptomatic E. coli-associated urinary tract infection (UTI)

Metabolite

Chemical Shift (ppm)

p value

Acetate

1.93

<0.0001

Trimethilamine

2.89

<0.0001

Trimethilamine N-Oxide

3.28

NS

Citrate

2.54, 2.66

NS

Hippurate

3.97, 7.84, 7.55, 7.64

NS

Glycine

3.55

NS

  1. P-values, derived by the Mann Withney univariate analysis, were calculated using metabolites concentrations normalized to the creatinine concentration