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. 2020 Dec 3;14(1):100972. doi: 10.1016/j.tranon.2020.100972

Table 2.

Presence of P. gingivalis in small cell lung cancer, lung adenocarcinoma and lung squamous cell carcinoma tissues.

Pathological type n No.(%) of P. gingivalis positive samples
Carcinoma tissues Adjacent lung tissues
Small cell lung cancer 100 135(35.00) 23(3.00)
Lung adenocarcinoma 119 332(26.89) 43(2.52)
Lung squamous carcinoma 100 539(39.00) 64(4.00)

IHC: 1,2: χ2 =33.268, P<0.001; 3,4: χ2 =28.171, P<0.001; 5,6: χ2 =36.291, P<0.001; 1,3: χ2 =1.683, P=0.195; 1,5: χ2 =0.343, P=0.558; 3,5: χ2 =3.637, P=0.057.