Table 2

Diagnostic performance of single and combined triage tests for CIN2+ and CIN3+ detection among HPV-positive women

VariableCIN2+ (n=35, 12.2%)
SensitivitySpecificityPPVNPV
% (95% CI)% (95% CI)% (95% CI)% (95% CI)
Single test triage
 VA77.1 (59.5 to 88.6)43.8 (37.7 to 50.0)16.1 (11.2 to 22.5)93.2 (86.9 to 96.6)
 Manual LBC80.0 (62.6 to 90.5)90.4 (86.0 to 93.6)54.9 (40.8 to 68.3)96.9 (93.5 to 98.5)
 Automated LBC84.8 (67.2 to 93.9)71.4 (64.5 to 76.9)30.8 (22.0 to 41.1)96.9 (92.7 to 98.7)
 HPV-16/HPV-18/45 genotyping37.1 (22.3 to 54.9)79.7 (74.2 to 84.2)20.3 (12.0 to 32.3)90.1 (85.4 to 93.4)
Combined test triage
 Genotyping and reflex VA82.9 (65.7 to 92.4)35.1 (29.3 to 41.2)15.1 (10.7 to 21.0)93.6 (86.3 to 91.7)
 Genotyping and reflex manual LBC85.7 (68.9 to 94.2)73.0 (67.0 to 78.2)31.3 (22.7 to 41.4)97.3 (93.6 to 98.9)
 Genotyping and reflex automated LBC91.2 (74.8 to 97.3)55.5 (48.9 to 61.8)23.3 (16.8 to 31.4)97.7 (93.0 to 99.3)
CIN3+ (n=22, 7.7%)
SensitivitySpecificityPPVNPV
% (95% CI)% (95% CI)% (95% CI)% (95% CI)
Single test triage
 VA72.7 (49.0 to 88.1)42.4 (36.6 to 48.5)9.5 (5.9 to 15.0)94.9 (89.0 to 97.7)
 Manual LBC90.9 (67.3 to 97.9)87.8 (83.1 to 91.3)39.2 (26.5 to 53.6)99.1 (96.5 to 99.8)
 Automated LBC85.0 (59.6 to 95.6)68.2 (61.9 to 73.9)18.7 (11.8 to 28.2)98.1 (94.3 to 99.4)
 HPV-16/HPV-18/45 genotyping45.5 (25.1 to 67.5)79.5 (74.2 to 84.0)15.6 (8.5 to 27.0)94.6 (90.7 to 96.9)
Combined test triage
 Genotyping and reflex VA81.8 (58.1 to 93.6)34.1 (28.6 to 40.1)9.4 (5.9 to 14.4)95.7 (89.0 to 98.4)
 Genotyping and reflex manual LBC95.5 (70.4 to 99.5)70.8 (64.9 to 76.0)21.9 (14.6 to 31.4)99.5 (96.2 to 99.9)
 Genotyping and reflex automated LBC95.2 (69.1 to 99.4)53.3 (47.0 to 59.6)15.0 (9.9 to 22.3)99.2 (94.6 to 99.9)
  • .CIN2+, cervical intraepithelial neoplasia grade 2 or worse; CIN3+, cervical intraepithelial neoplasia grade 3 or worse; HPV, human papillomavirus; LBC, liquid-based cytology; NPV, negative predictive value; PPV, positive predictive value; VA, visual assessment.