Table 2

Sensitivity and specificity to CIN2+ processed at two time periods with Ampfire HPV detection n (%).

HPV at two time periods

Pathology

Sensitivity (95%CI)

Specificity (95%CI)

Negative predictive value (95%CI)

Positive predictive value (95%CI)

CIN2+n (%)

≤CIN1 n (%)

Two days

HPV positive

101 (19.77)

314 (61.45)

95.28 (92.14–98.42)

22.47 (19.33–25.61)

94.79 (91.65–97.93)

24.34 (21.20–27.48)

HPV negative

5 (0.98)

91 (17.81)

Two weeks

HPV positive

96 (18.79)

291 (56.95)

90.57 (86.65–94.49)

28.15 (24.23–32.07)

91.94 (88.02–95.86)

24.81 (20.89–28.73)

HPV negative

10 (1.96)

114 (22.31)

P value

0.227

0.001

0.436

0.878