Table 2

Prevalence of HPV groups in clinician- and self-collected specimens (n = 406)
Prevalence Concordance
Clinician-collected Self-collected % Positive agreement
Prevalence 95% CI Prevalence 95% CI % Agreement Kappa p
Any HPV 42.4% 37.5%-47.3% 54.7% 49.7%-59.6% 73% 57% 0.48 <0.001
Carcinogenic 18.0% 14.4%-22.1% 26.8% 22.6%-31.4% 84% 47% 0.54 <0.001
Non-Carcinogenic 31.8% 27.3%-36.5% 44.6% 39.7%-49.6% 75% 53% 0.49 <0.001
alpha 1/8/10 3.2% 1.7%-5.4% 5.2% 3.2%-7.8% 97% 42% 0.57 0.06
alpha 5/6/9/11 28.8% 24.5%-33.% 41.4% 36.5%-46.4% 77% 51% 0.51 <0.001
alpha 3/4/15 21.2% 17.3%-25.5% 31.8% 27.3%-36.5% 82% 48% 0.53 <0.001

Differences in prevalence detected in clinician- and self-collected specimens were tested for statistical differences using an exact version of McNemar’s chi-square test. P value of less than 0.05 is considered significant and indicated by bolded font.

Castle et al.

Castle et al. BMC Infectious Diseases 2013 13:5   doi:10.1186/1471-2334-13-5

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