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Table 2 Exhaled VOC levels in studied groups

From: Exhaled volatile organic compounds in patients with non-small cell lung cancer: cross sectional and nested short-term follow-up study

Ā 

Controls (10-12 M)

NSCLC (10-12 M)

COPD (10-12 M)

Smokers (10-12 M)

Isoprene

3789 (1399 ā€“ 6589)

6041 (3130 ā€“ 8863)

1758 (453 ā€“ 4981)

7243 (1361 ā€“ 16968)

2-Methylpentane

27.7 (3.4 ā€“ 50.3)

139.5 (65.7 ā€“ 298.8)

44.7 (21.7 ā€“ 63.8)

109.8 (62.8 ā€“ 173.5)

Pentane

268.0 (107.7 ā€“ 462.7)

647.5 (361.3 ā€“ 1112.5)

477.7 (261.5 ā€“ 1547.4)

511.4 (241.3 ā€“ 1128.3)

Ethylbenzene

13.6 (10.8 ā€“ 15.1)

24.0 (13.6 ā€“ 32.6)

51.1 (26.9 ā€“ 132.7)

39.7 (21.7 ā€“ 74.1)

Xylenes total

31.1 (21.1 ā€“ 56.4)

68.9 (43.6 ā€“ 108.4)

94.8 (49.7 ā€“ 131.9)

85.8 (60.1 ā€“ 185.2)

Trimethylbenzene

6.2 (4.7 ā€“ 11.0)

14.9 (9.3 ā€“ 22.1)

18.5 (10.4 ā€“ 25.4)

18.9 (11.9 ā€“ 44.9)

Toluene

80.8 (58.9 ā€“ 140.0)

158.8 (118.7 ā€“ 237.5)

158.5 (103.5 ā€“ 269.7)

453.5 (169.6 ā€“ 745.7)

Benzene

44.7 (27.7 ā€“ 68.6)

94.5 (62.2 ā€“ 132.2)

73.3 (51.8 ā€“ 95.4)

269.2 (84.6 ā€“ 745.1)

Heptane

8.4 (5.0 ā€“ 15.3)

13.5 (1.5 ā€“ 34.0)

47.3 (13.9 ā€“ 98.0)

98.0 (40.3 ā€“ 161.7)

Decane

208.7 (14.3 ā€“ 405.5)

568.0 (277.9 ā€“ 1321.6)

737.3 (524.6 ā€“ 1177.6)

239.2 (60.0 ā€“ 884.0)

Styrene

12.3 (5.3 ā€“ 21.8)

17.9 (8.5 ā€“ 37.2)

87.6 (56.0 ā€“ 148.8)

7.2 (2.8 ā€“ 41.6)

Octane

20.2 (4.0 ā€“ 50.8)

61.0 (22.4 ā€“ 112.9)

52.5 (31.9 ā€“ 147.2)

33.5 (19.7 ā€“ 57.8)

Pentamethylheptane

0.9 (0.1 ā€“ 2.6)

2.5 (1.2 ā€“ 9.7)

2.0 (1.2 ā€“ 7.6)

5.8 (1.2 ā€“ 16.5)

  1. Concentrations expressed as median values(25th -75th percentile).