Table 3.

Comparison of the Positive Rate of F. nucleatum Infection in CRC Tissues and Adjacent Noncancerous Tissues in Patients with CRC n (%)

		Carcinoma Tissues		χ2	df	P value
		F. nucleatum (-) 60(61.9)	F. nucleatum(+) 37(38.1)
adjacent noncancerous tissues	F. nucleatum (-) 74(76.3)	60(81.1)	14(18.9)	48.89	1	<0.01**
	F. nucleatum (+) 23(23.7)	0(0)	23(100)

Note: ** p<0.01 were considered to be statistically significant.

Abbreviations: df, degree of freedom; CRC, colorectal cancer; F. nucleatum, Fusobacterium nucleatum.