Table 3 Univariate Cox regression analysis of DEMs in POS

Hydroxycotinine

0.6298

1.877 (1.197–2.945)

0.00612

0.02619

0.0001932

N-Arachidonoyl.GABA

-0.7594

0.4679 (0.2616–0.8372)

0.0105

0.01245

0.009885

3-Methylpyrrolo[1,2-a]pyrazine

-0.6216

0.5371 (0.3162–0.9122)

0.02144

0.03489

0.01837

Diethylphosphate

0.8103

2.249 (1.101–4.593)

0.02616

0.02566

0.02738

Syringol

-0.707

0.4931 (0.2583–0.9414)

0.0321

0.02855

0.02854

PE(3:0/22:5)

0.6309

1.879 (1.028–3.437)

0.04054

0.0434

0.03291

Isoferulic.acid.3-O-glucuronide

-0.7971

0.4506 (0.2075–0.9785)

0.04391

0.02584

0.03046

Asparaginyl-Hydroxyproline

-1.096

0.3342 (0.1125–0.9926)

0.04845

0.01329

0.03163