Table 3.

Expression of p16 and Ki-67 in relation to Hr-HPV infection status (n)

Result	Persistent infection	Transient infection	Hr-HPV negative	P value
P16 negative	12	60	27	0.215
P16 positive	28	122	34
Ki-67 negative	18	68	27	0.495
Ki-67 positive	22	114	34

Hr-HPV: high risk human papillomavirus.