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Table 2 Percentage of all Pap smears submitted to a laboratory* that were assessed as Pap 0 + (Bethesda 2001 equivalent: specimen processed and examined, but unsatisfactory for evaluation of epithelial abnormality)

From: Quality of screening with conventional Pap smear in Austria – a longitudinal evaluation

  2004 2005 2006 2007 2008
Lab A 0.17 0.19 0.26 0.29 0.0
Lab B 0.21 0.29 0.15 0.26 0.21
Lab C 0.10 0.10 0.07 0.11 0.09
Lab D ** 0.91 1.08 1.03 0.67
Lab E 0.48 0.45 0.51 0.76 0.91
Lab F 0.17 0.18 0.23 0.17 **
Lab G ** 4.13 2.35 3.74 2.61
Lab H 0.67 0.58 0.50 0.58 1.25
Lab I 0.63 0.65 0.70 0.65 0.09
Lab J 1.62 3.68 3.66 2.21 1.95
Lab K 0.16 0.17 0.69 0.67 0.95
Lab L 0.18 0.26 0.26 0.35 0.16
Lab M 0.07 0.00 0.12 0.07 0.12
Lab N ** 0.02 0.30 0.46 0.40
Lab O ** 0.42 0.43 0.36 0.48
  1. *Laboratories were identified by the number of specimens submitted. To safeguard anonymity the laboratories in Table 1 have no abbreviation, and the sequence of the laboratories in Tables 1 and 2 has been changed. Despite the loss of relevant information, this approach was necessary since non-anonymity might have discouraged laboratories from participating.
  2. +A national standard, set by the Austrian Society of Cytology, requires that the category Pap 0 should be less than 2% of all smears taken (15).
  3. **no data available;
  4. Laboratories failing to meet the quality criterion are written in bold.