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Br J Cancer. 2010 Sep 28;103(7):939-46. doi: 10.1038/sj.bjc.6605869. Epub 2010 Aug 31.

Comparison of Hybrid capture 2 testing at different thresholds with cytology as primary cervical screening test.

Author information

1
Department of Pathology, VU University Medical Center, P.O. Box 7057, Amsterdam 1007 MB, The Netherlands.

Abstract

BACKGROUND:

We evaluated the performance of primary high-risk human papillomavirus (hrHPV) testing by hybrid capture 2 (HC2) with different thresholds for positivity, in comparison with conventional cytology.

METHODS:

We used data of 25,871 women (aged 30-60 years) from the intervention group of the VUSA-Screen study (VU University Medical Center and Saltro laboratory population-based cervical screening study), who were screened by cytology and hrHPV. Primary outcome measure was the number of cervical intraepithelial neoplasia grade 3 or higher (CIN3+), detected within 3 years. We compared baseline cytology testing with three possible hrHPV screening strategies at different relative light unit/cutoff (RLU/CO) thresholds.

RESULTS:

Compared with baseline cytology testing, hrHPV DNA testing as a sole primary screening instrument did not yield a superior sensitivity, as well as lower colposcopy referral rate and lower false positivity rate at any RLU/CO threshold. The hrHPV screening at 1 RLU/CO threshold with cytology triage at baseline and at 12 months revealed the highest sensitivity for CIN3+ (relative sensitivity of 1.32), although still displaying a lower colposcopy referral rate than cytology testing (relative colposcopy rate of 0.94). Higher thresholds (>1 RLU/CO) yielded lower colposcopy rates, but resulted in substantial loss in sensitivity.

CONCLUSIONS:

The hrHPV testing at the commonly used threshold of 1 RLU/CO with cytology triage at baseline and at 12 months showed a much higher sensitivity with a lower colposcopy referral rate compared with cytology testing.

PMID:
20808310
PMCID:
PMC2965874
DOI:
10.1038/sj.bjc.6605869
[Indexed for MEDLINE]
Free PMC Article

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