Table 6. Performance of cytology and HC2 in the follow-up of conservatively treated AIS.

	HC2 (%)	Pap test (%)	Pap + HC2 (%)
First FU visit
Sensitivity	90	60	90
Specificity	58	69	50
PPV	64	55	52
NPV	88	73	89
Second FU visit
Sensitivity	84	66	100
Specificity	59	73	52
PPV	42	44	40
NPV	91	87	100
HC2 Hybrid Capture 2, AIS Adenocarcinoma in situ, FU follow up, PPV positive predictive value, NPV negative predictive value