Table 5.

Comparison between different models of ROC analysis.

Models	p values
Linolelaidic Acid (C18:2N6T)_Combine	0.0065
L-Dihydroorotic Acid_Combine	0.00194
Azoxystrobin Acid_Combine	0.0076
L-Dihydroorotic Acid_Linolelaidic Acid (C18:2N6T)	0.8192
Azoxystrobin Acid_Linolelaidic Acid (C18:2N6T)	0.8194
Azoxystrobin Acid_L-Dihydroorotic Acid	0.6862
Linolelaidic Acid (C18:2N6T)_combine1	0.0886
L-Dihydroorotic Acid_combine1	0.13
Azoxystrobin Acid_combine1	0.0502

The model of Combine 1 contains Linolelaidic Acid (C18:2N6T), L-Dihydroorotic Acid, and Azoxystrobin Acid; the model of Combine contains 11 metabolites. Chi-square test was utilized to compare the differences.