Table 2.

Summary results for grouped HPV type distribution by country at enrollment

Brazil (N = 382)
Mexico (N = 362)
United States (N = 416)
Total (N = 1,160)
Adjusted P*
n (%)n (%)n (%)n (%)
Any HPV type276 (72.3)224 (61.9)255 (61.3)755 (65.1)0.03
Any oncogenic type138 (36.1)110 (30.4)97 (23.3)345 (29.7)0.002
Oncogenic type(s) only45 (11.8)48 (13.3)46 (11.1)139 (12.0)0.6
Any nononcogenic type193 (50.5)127 (35.1)126 (30.3)446 (38.5)<0.0001
Nononcogenic type(s) only100 (26.2)65 (18.0)75 (18.0)240 (20.7)0.02
Oncogenic and nononcogenic93 (24.4)62 (17.1)51 (12.3)206 (17.8)<0.0001
Unclassified type(s) only,38 (10.0)49 (13.5)83 (20.0)170 (14.7)0.002
PCR−/genotype+22 (5.8)18 (5.0)13 (3.1)53 (4.6)0.200
Multiple types138 (36.2)86 (23.8)74 (17.8)298 (25.7)<0.0001
  • * Adjusted by Holm's method: step-down Bonferroni approach (17).

  • The n and percentage in these four rows sum to the top row (categories are complete and mutually exclusive).

  • Samples were HPV-positive by PCR but not by genotyping.