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Table 5 VOCs levels at T0 (before surgery) and T1 (after surgery).

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

  T0 T1
Isoprene 6121 (4069–9031) *4125 (2415–7407)
2-Methylpentane 139.5 (68.8–291.6) 123.5 (81.1–227.6)
Pentane 647.5 (388.5–1013) 529.5 (329.6–960.0)
Ethylbenzene 24.0 (14.8–28.0) 19.7 (15.7–34.5)
Xylenes total 69.0 (45.8–105.6) 67.8 (51.2–129.4)
Trimethylbenzene 15.2 (10.1–22.3) 13.2 (10.2–22.5)
Toluene 161.9 (118.7–232.5) 160.3 (119.0–232.7)
Benzene 95.7 (62.9–132.2) 99.6 (60.0–119.2)
Heptane 15.1 (0.9–34.6) 18.7 (9.5–39.5)
Decane 625.0 (322.6–1392) *443.0 (197.0–920.7)
Styrene 22.1 (11.5–38.1) 18.0 (12.1–43.1)
Octane 65.7 (45.8–131.4) 49.7 (28.5–102.5)
Pentamethylheptane 2.6 (1.7–10.0) 2.5 (1.1–8.8)
  1. * means a statistically significant difference (p < 0.05). The data are expressed as median (25th -75th percentile).