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Table 7 Pooled prevalence estimates of HPV types by covariate a

From: Prevalence of human papillomavirus in head and neck cancers in European populations: a meta-analysis

HPV type Covariates Coefficient Standard error 95% confidence interval p-value
Low High
HPV-6 Western vs. Eastern −0.059 0.198 −0.609 0.492 0.782
GP5+/GP6 + b 0.124 0.171 −0.350 0.599 0.507
Laryngealc 0.040 0.136 −0.393 0.473 0.788
Oralc 0.459 0.210 −0.208 1.126 0.116
HPV-11 Western vs. Eastern −0.005 0.090 −0.393 0.383 0.960
Fixed biopsy vs. others −0.018 0.142 −1.825 1.788 0.919
GP5+/GP6 + b 0.017 0.118 −1.478 1.512 0.908
MY09/MY11b 0.032 0.169 −2.112 2.176 0.882
Laryngealc −0.014 0.160 −2.009 1.981 0.944
Oralc 0.006 0.129 −1.634 1.647 0.968
HPV-16 Western vs. Eastern 0.101 0.100 −0.105 0.308 0.320
Fixed biopsy vs. others 0.356 0.282 −0.228 0.939 0.220
GP5+/GP6 + b −0.095 0.108 −0.321 0.132 0.393
MY09/MY11b −0.066 0.161 −0.403 0.271 0.687
Laryngealc −0.171 0.155 −0.493 0.152 0.283
Oralc −0.030 0.131 −0.303 0.242 0.820
Oropharyngealc 0.183 0.133 −0.094 0.460 0.184
Tonsillarc 0.194 0.126 −0.069 0.457 0.139
HPV-18 Western vs. Eastern 0.249 0.302 −0.713 1.210 0.471
Fixed biopsy vs. others 0.191 0.407 −1.103 1.485 0.671
GP5+/GP6 + b 0.207 0.477 −1.847 2.261 0.707
MY09/MY11b −0.039 0.592 −2.587 2.509 0.954
Laryngeal^ −0.146 0.398 −1.414 1.121 0.737
HPV-33 Western vs. Eastern −0.029 0.032 −0.099 0.040 0.375
GP5+/GP6 + b −0.039 0.042 −0.132 0.056 0.390
MY09/MY11b 0.036 0.157 −0.314 0.386 0.825
Laryngealc 0.017 0.094 −0.197 0.230 0.863
Oralc −0.082 0.084 −0.272 0.108 0.354
Oropharyngealc −0.094 0.070 −0.251 0.064 0.212
  Tonsillarc −0.108 0.068 −0.262 0.045 0.144
  1. aSignificance level: p < 0.05.
  2. bCompared with ‘other’ types of primers (not including GP5+/GP6+ or MY09/MY11 combinations).
  3. cCompared with ‘other’ cancers (base of tongue, hypopharyngeal, paranasal sinus, pharyngeal, tongue, unclassifiable, and Waldeyer’s ring).