Table 1 Relative differences in patient factors and compounds of interest between cancer and control patient groups.

From: Breath methane to hydrogen ratio as a surrogate marker of intestinal dysbiosis in head and neck cancer

Patient factors

Controls (n = 61)

Cancer (n = 74)

p value

Median

Range

Median

Range

Age (years)

57.00

31–86

56.50

33–88

0.340

BMI (kgm−2)

28.26

20–45

26.37

17–38

0.003*

Gender (M:F)

32:29

59:15

0.001*

Smoking pack years

18.00

0–104

29.70

0–295

0.125

Fasting time (hours)

13.00

6–18

12.00

6–26

0.533

  1. Mann Whitney-U test for independent samples and Chi squared testing for contingency tables, BMI Body Mass Index, ppm parts per million, *Statistical significance (p < 0.05).
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