TABLE 2.

Results for HPV16, -18, and -45 E6 oncoprotein detection among specimens negative for HPV16/18/45 DNA^a

Histological diagnosis or score	No. of specimens (%) negative for HPV16/18/45		% HPV E6-positive specimens/DNA-positive specimens
	DNA	E6
Negative	16	0 (0)	0
CIN1	21	2b (10)	50
CIN3	23	0 (0)	0
CIN3+c	4	0 (0)	0
Cancer	5	0 (0)	0
≤CIN1	37	2 (5)	17
CIN3+	32	0 (0)	0

^aThe results of HPV16, -18, and -45 E6 oncoprotein detection are stratified by the severity of histological diagnosis.

^bTwo specimens were HPV DNA negative and HPV16 E6 positive.

^cReported as CIN3+ (did not differentiate whether the diagnosis was CIN3 or cervical cancer).