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Table 2 Overall differences of blood VOCs among the sample population

From: Smoking is associated with elevated blood level of volatile organic compounds: a population-based analysis of NHANES 2017–2018

VOCs

F value

p

2,5-Dimethylfuran

40.675

p < 0.001

Heptane

257.023

p < 0.001

Benzene

32.055

p < 0.001

Benzonitrile

8.027

p < 0.001

1,4-Dichlorobenzene

6.051

p = 0.001

Ethyl Acetate

3.418

p = 0.017

Furan

36.139

p < 0.001

Isobutyronitrile

14.436

p < 0.001

Methylene Chloride

32.581

p < 0.001

Octane

0.421

p = 0.738

1,2-Dichloroethane

0.560

p = 0.641

Tetrachloroethene

0.244

p = 0.866

Bromoform

0.434

p = 0.728

Cyclohexane

0.513

p = 0.673

Chloroform

0.205

p = 0.893

Dibromochloromethane

0.903

p = 0.439

Ethylbenzene

0.134

p = 0.940

Chloroethane

0.294

p = 0.830

Isopropylbenzene

0.313

p = 0.816

MTBE

0.212

p = 0.888

o-Xylene

0.297

p = 0.828

Trichloroethene

0.192

p = 0.902

1,1,1-Trichloroethane

0.294

p = 0.830

Tetrahydrofuran

0.122

p = 0.947

 m-/p-Xylene

0.203

p = 0.894

Hexane

0.992

p = 0.398

Bromodichloromethane

0.893

p = 0.446

Chlorobenzene

0.662

p = 0.576

Carbon Tetrachloride

0.663

p = 0.576

Methylcyclopentane

0.739

p = 0.530

Methyl Isobutyl Ketone

0.997

p = 0.394

  1. Note: Concentrations of 1,1,1,2-Tetrachloroethane, 1,2-Dichlorobenzene, 1,3-Dichlorobenzene, 1,2-Dibromoethane, Diethyl Ether, Nitrobenzene, aaa-Trifluorotoluene, 1,2,3-Trichloropropane, and Vinyl Bromide were all below lower detection limit and were not shown in Table 2