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Presence of P. gingivalis and Lys-gingipain (Kgp) detected by specific antibodies in normal esophagus mucosa, cancerous and adjacent tissues of ESCC
| Factors | Pg positive cases (%) | KGP positive cases (%) |
|---|---|---|
| ESCC samples (n = 100) | 61 (61)* | 66 (66)* |
| Adjacent normal tissues (n = 100) | 12 (12)* | 17 (17)* |
| Normal esophageal mucosa (n = 30) | 0 (0)* | 0 (0)* |
*p < 0.01
