Table 3. Pearson’s correlations of identified metabolites (variable importance in the projection value of > 1) from saliva samples for the gilts

Acetone Creatine phosphate Dimethylamine Glutamate Lactate Leucine Proline Succinate Valine
Acetone 0.84 −0.57 0.91 0.56 0.87 0.91 0.45 0.93
Creatine phosphate −0.024 0.99 0.01 0.99* 0.54 −0.11 0.98
Dimethylamine −0.18 −0.99** −0.08 −0.86 −0.99 (p = 0.086) −0.22
Glutamate 0.17 0.99 (p = 0.067) 0.67 0.05 0.99*
Lactate 0.07 0.85 0.99 (p = 0.078) 0.20
Leucine 0.58 −0.06 0.99 (p = 0.089)
Proline 0.78 0.69
Succinate 0.08
Valine
p < 0.05,
p < 0.01.