Correlation analysis of human papillomavirus E6/E7 mRNA detection with diagnosis, prognosis and recurrence risk in patients with cervical epithelioma

Table 1 Comparison of the positive expression rates of human papillomavirus-DNA and human papillomavirus E6/E7 mRNA in each group (%)

Group	Example number	HPV E6/E7 mRNA		HPV (PCR-reverse point hybridization)
		Positive	Negative	Positive	Negative
CINI level	48	13 (27.1)	35 (72.9)	15 (31.3)	33 (68.7)
CIN II level	31	24 (77.4)	7 (22.6)	21 (67.7)	10 (32.3)
CIN III level	16	12 (75.0)	4 (25.0)	11 (68.7)	5 (31.3)
Squamous or adenocarcinoma	5	3 (18.8)	2 (12.5)	4 (25.0)	1 (6.3)
χ2		23.483		14.669
P value		< 0.001		0.002

CIN: Cervical intraepithelial neoplasia; HPV: Human papilloma virus; PCR: Polymerase chain reaction.