
Fig. 1.

Fig. 2.

Fig. 3.

Characterization of the patient cohort_
| ADC | SCC | ||
|---|---|---|---|
| Age median | 72 | 70 | |
| Male/Female | 54/32 | 39/16 | |
| Stage | I | 12 | 13 |
| II | 9 | 10 | |
| III | 23 | 17 | |
| IV | 42 | 15 | |
| Smoker | 26 | 22 | |
| Ex-smoker | 45 | 26 | |
| Non-smoker | 15 | 7 | |
Comparison of bacterial species cultured from rectal swabs in adenocarcinoma (ADC; n = 85) and squamous cell carcinoma (SCC; n = 52) in NSCLC patients versus patients without confirmed lung cancer (n = 65)_ The species are ranked according to the measure of overrepresentation in ADC versus SCC patients (column 6, ADC/SCC ratio)_ Only those overrepresented ≥ 1,5 × or underrepresented ≤ 0,5 × are listed_
| Species | ADC patients | SCC patients | No lung cancer | ADC/SCC ratio | p-value ADC/SCC | p-value ADC/non | |||
|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | ||||
| Klebsiella oxytoca | 11 | 12,9 | 1 | 1,9 | 8 | 12,3 | 6,8 | – | 0,688 |
| Streptococcus anginosus | 42 | 49,4 | 12 | 22,6 | 33 | 50,8 | 2,2 | 0,002 | 0,109 |
| Streptococcus MOPP* | 20 | 23,5 | 6 | 11,3 | 12 | 18,5 | 2,1 | 0,074 | 0,453 |
| Collinsella aerofaciens | 28 | 32,9 | 10 | 18,9 | 13 | 20,0 | 1,7 | 0,072 | 0,086 |
| Corynebacterium aurimucosum | 12 | 14,1 | 15 | 28,3 | 19 | 29,2 | 0,5 | 0,041 | 0,024 |
| Alistipes shahii | 2 | 2,4 | 5 | 9,6 | 2 | 30,8 | 0,2 | – | – |
Comparison of bacterial species cultured from mouth wash in adenocarcinoma (ADC; n = 85) and squamous cell carcinoma (SCC; n = 53) in NSCLC patients versus patients without confirmed lung cancer (n = 65)_ The species are ranked according to the measure of overrepresentation in ADC versus SCC patients (column 6, ADC/SCC ratio)_ Only those overrepresented ≥ 1,5 × or underrepresented ≤ 0,5 × are listed_
| Species | ADC patients | SCC patients | No lung cancer | ADC/SCC ratio | p-value ADC/SCC | p-value ADC/non | |||
|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | ||||
| Rothia aeria | 9 | 10.5 | 1 | 0.2 | 14 | 21.5 | 52.5 | – | – |
| Streptococcus constellatus | 13 | 15.1 | 3 | 5.5 | 16 | 24.6 | 2.7 | 0.080 | 0.152 |
| Neisseria macacae | 21 | 24.4 | 6 | 10.9 | 13 | 20.0 | 2.2 | 0.047 | 0.495 |
| Streptococcus mutans | 24 | 27.9 | 7 | 12.7 | 9 | 13.8 | 2.2 | 0.034 | 0.035 |
| Streptococcus sanguinis | 25 | 29.1 | 8 | 14.5 | 16 | 24.6 | 2.0 | 0.047 | 0.514 |
| Streptococcus anginosus | 46 | 53.5 | 19 | 34.5 | 23 | 35.4 | 1.5 | 0.028 | 0.023 |
| Lactobacillus fermentum | 9 | 10.5 | 17 | 30.9 | 14 | 20.9 | 0.3 | 0.002 | 0.065 |
| Candida tropicalis | 2 | 2.4 | 11 | 20.8 | 1 | 0.01 | 0.1 | – | – |