Table 2 Concentrations of volatile organic compounds in breath samples
From: Development of breath test for pneumoconiosis: a case-control study
Compound | Case group | Control group | P-valuea | ||
|---|---|---|---|---|---|
Mean | Std. Error of Mean | Mean | Std. Error of Mean | ||
Methyl chloride | 12.0 | 5.2 | 5.4 | 1.0 | 0.02 |
Acetone | 722.0 | 106.8 | 526.9 | 43.6 | 0.01 |
Pentane | 2.2 | 0.8 | 1.2 | 0.4 | 0.03 |
Hexane | 0.3 | 0.1 | 0.5 | 0.2 | 0.04 |
Butanal, 3-methyl- | 0.5 | 0.4 | 0.2 | 0.1 | 0.01 |
1,4-Cyclohexadiene, 1-methyl-4-(1-methyl) | 0.4 | 0.3 | 0.2 | 0.2 | 0.02 |
Phenylethyl alcohol | 13.5 | 13.5 | 0.03 | 0.03 | <0.01 |
Cyclohexane, 1-methylene-3-(1-methylethyl) | 1.2 | 1.1 | 0.4 | 0.3 | <0.01 |
Bicyclo[4.1.0]heptane, 3,7,7-trimethyl- | 41.0 | 27.2 | 9.7 | 4.7 | <0.01 |