Screening modality | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
HPV testing alone | 63.6 | 91.8 | 15.2 | 99.1 |
Portable colposcopy testing alone | 54.6 | 96.2 | 25.0 | 98.9 |
HPV testing and portable colposcopy combined | 100 | 88.3 | 16.4 | 100 |
HPV, human papillomavirus; NPV, negative predictive value; PPV, positive predictive value.