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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).