Quality assurance of human papillomavirus (HPV) testing in the implementation of HPV primary screening in Norway: an inter-laboratory reproducibility study

Table 1 Distribution of cytological diagnoses among the 499 samples

	NILM N = 355	ASC-US N = 36	LSIL N = 33	ASC-H N = 11	HSIL N = 38	Unsatisfactory N = 27
100 selected samples	0	28^a	28^a	11	33	0
399 consecutive samples	354	8	5	0	5	27

^aHPV positive samples
NILM negative for intraepithelial lesion or malignancy, ASC-US atypical squamous cells of undetermined significance, LSIL low-grade squamous intraepithelial lesion, ASC-H atypical squamous cells, cannot exclude a high-grade lesion, HSIL high-grade squamous intraepithelial lesion

ISSN: 1471-2334