Figure 2 | Scientific Reports

Figure 2

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

Figure 2

Panel (A–C) comparing control and cancer patients within each smoking category for hydrogen, methane and their ratio, respectively. NS non-smoker, ES ex-smoker, CS current smoker. P values are indicated where statistical significance is noted. PPM parts per million, IQR interquartile range. The p-value is only indicated for statistically significant comparisons.

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