Table 2.
Threshold for positivity | Total | Se(%) | Sp(%) | PPV (%) | NPV (%) | |
Cytology | ASCUS+ | 452 | 75.00 | 91.91 | 50.00 | 97.15 |
LSIL+ | 452 | 52.27 | 99.02 | 85.19 | 95.06 | |
HSIL+ | 452 | 18.18 | 100.00 | 100.00 | 91.89 | |
DNA ploidy | At least 1 5cER cell | 452 | 90.91 | 70.83 | 25.16 | 98.63 |
At least 2 5cER cell | 452 | 86.36 | 84.07 | 36.89 | 98.28 | |
At least 3 5cER cell | 452 | 79.55 | 92.65 | 53.85 | 97.67 | |
At least 4 5cER cell | 452 | 77.27 | 96.81 | 72.34 | 97.53 | |
At least 5 5cER cell | 452 | 75.00 | 98.53 | 84.62 | 97.34 |
ASCUS: Atypical squamous cells of undetermined significance; LSIL: Low-grade squamous intraepithelial lesions; HSIL: High grade squamous intraepithelial lesion; Se: Sensitivity; Sp: Specificity; PPV: Positive predictive value; NPV: Negative predictive value.