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Table 5 Main statistical parameters related to VOCs related to the 50 subjects (26 controls and 24 cases) used for validation of the model itself

From: Pancreatic ductal adenocarcinoma can be detected by analysis of volatile organic compounds (VOCs) in alveolar air

  Ammonia M34 M43 M44 M62 Sulfur dioxide M71 M74 M89 M112
Control subjects
 Median 101.5 17.7 849.5 5430.4 5.1 10.8 17.5 8.0 1.3 6.9
 Geometrical Mean 101.0 18.6 873.9 5400.7 4.7 11.0 19.4 9.4 1.4 8.0
 Minimum value 27.3 14.9 622.0 3755.8 2.1 9.0 12.4 4.5 0.1 5.1
 Maximum value 359.1 24.2 1430.9 7560.7 11.0 14.8 46.0 106.9 14.1 73.5
 Arithmetic mean 123.6 18.8 888.5 5513.7 5.1 11.0 20.5 13.7 1.9 10.1
 Standard deviation 85.4 2.4 176.2 1134.5 2.2 1.1 7.9 20.1 2.6 13.1
Patients with PDA
 Median 185.7 9.8 1319.2 3154.1 11.3 6.3 21.6 31.0 5.1 19.5
 Geometrical Mean 205.6 6.1 1518.1 2477.8 10.5 7.0 22.8 29.6 4.6 21.8
 Minimum value 52.7 0.9 581.3 461.9 3.0 5.1 15.8 6.9 1.2 8.8
 Maximum value 1193.3 18.5 5377.7 4964.1 29.7 38.7 38.0 302.7 11.4 58.2
 Arithmetic mean 293.7 8.4 1811.5 2881.4 12.2 7.9 23.7 45.0 5.3 25.9
 Standard deviation 293.7 5.0 1213.8 1337.4 6.8 6.6 6.7 60.9 2.9 15.7