Research Article

Clinical Significance of the Interaction between Human Papillomavirus (HPV) Type 16 and Other High-Risk Human Papillomaviruses in Women with Cervical Intraepithelial Neoplasia (CIN) and Invasive Cervical Cancer

Table 3

Rates of cervical intraepithelial neoplasia (CIN) diagnoses according to the interaction between HPV type 16 and HPV33, 51, 52, and 66.

CIN 1CIN 2CIN 3Invasive cancer
(n) 1811 (%)(n) 405 (%)(n) 678 (%)(n) 91 (%)

Single HPV 16 (n = 491)246 (13.6)75 (18.5)140 (20.6)30 (33)
HPV16 and HPV18 negative (n = 1972)1296 (71.6)256 (63.2)377 (55.6)43 (47.2)
HPV16 and HPV18 positive (n = 99)36 (2)13 (3.2)45 (6.6)5 (5.5)
Single HPV 18 (n = 65)42 (2.3)9 (2.2)11 (1.6)3 (3.3)
Multiple HPV 16 (no HPV 18) n = 298156 (8.6)41 (10.1)93 (13.7)8 (8.9)
Multiple HPV 18 (no HPV 16) n = 6035 (1.9)11 (2.7)12 (1.8)2 (2.2)
HPV16 and HPV33 negative (n = 1991)1325 (73.2)253 (62.5)368 (54.3)45 (49.4)
HPV 16 and HPV 33 positive (n = 25)14 (0.8)3 (0.7)8 (1.3)0 (−)
Single HPV 33 (n = 57)23 (1.3)16 (3.95)16 (2.4)2 (2.2)
Multiple HPV 16 (no HPV 33) (n = 375)178 (9.8)51 (12.6)130 (19.2)16 (17.6)
Multiple HPV 33 (no HPV 16) (n = 49)25 (1.4)7 (1.7)16 (2.4)1 (1.1)
HPV16 and HPV51 negative (n = 1565)1190 (65.7)236 (58.3)335 (49.4)40 (44)
HPV16 and HPV51 positive (n = 85)52 (2.9)11 (2.7)20 (2.9)2 (2.2)
Single HPV 51 (n = 156)97 (5.4)23 (5.7)32 (4.7)4 (4.4)
Multiple HPV 16 (no HPV 51) (n = 312)140 (7.7)43 (10.6)118 (17.4)11 (12.1)
Multiple HPV 51 (no HPV 16) (n = 131)77 (4.2)17 (4.2)33 (4.9)4 (4.4)
HPV16 and HPV52 negative (n = 1598)1080 (59.6)209 (51.6)278 (41)31 (34.1)
HPV16 and HPV52 positive (n = 157)64 (3.5)20 (5)65 (9.6)8 (8.8)
Single HPV 52 (n = 219)141 (7.8)31 (7.6)42 (6.2)5 (5.5)
Multiple HPV 16 (no HPV 52) (n = 240)128 (7.1)34 (8.4)73 (10.8)5 (5.5)
Multiple HPV 52 (no HPV 16) (n = 280)152 (8.4)36 (8.9)80 (11.8)12 (13.2)
HPV16 and HPV66 negative (n = 1836)1273 (70.3)252 (62.2)373 (55)38 (41.8)
HPV16 and HPV66 positive (n = 33)23 (1.3)4 (1)5 (0.8)1 (1.1)
Single HPV66 (n = 88)56 (3.1)10 (2.5)18 (2.6)4 (4.4)
Multiple HPV 16 (no HPV 66) (n = 364)169 (9.3)50 (12.3)133 (19.6)12 (13.2)
Multiple HPV 66 (n = 73)44 (2.4)14 (3.5)9 (1.3)6 (6.6)

CIN: cervical intraepithelial neoplasia. HPV: human papilloma virus. higher than expected rate by the chi-squared test and post-hoc analysis with Bonferroni correction lower than expected rate by the chi-squared test and post-hoc analysis with Bonferroni correction.