Table 1 Formulas to calculate quality indicators and reference values preconized by the Brazilian National Cancer Institute

Productivity rate (%)^a

\( \frac{\mathrm{number}\kern0.5em \mathrm{of}\kern0.5em \mathrm{exams}\kern0.5em \mathrm{performed}\kern0.5em \left(25\hbox{-} 64\right)}{\mathrm{number}\kern0.5em \mathrm{of}\kern0.5em \mathrm{women}\kern0.5em \left(25\hbox{-} 64\right)}\times 100 \)

Not available

% Unsatisfactory

\( \frac{\mathrm{number}\kern0.5em \mathrm{of}\kern0.5em \mathrm{unsatisfactory}\kern0.5em \mathrm{exams}\kern0.5em \left(25\hbox{-} 64\right)}{\mathrm{number}\kern0.5em \mathrm{of}\kern0.5em \mathrm{exams}\kern0.5em \mathrm{performed}\kern0.5em \left(25\hbox{-} 64\right)}\times 100 \)

1% (Average of the collected exams in Brazil in 2010)

% Positivity index

\( \frac{\mathrm{number}\kern0.5em \mathrm{of}\kern0.5em \mathrm{abnormal}\kern0.5em \mathrm{exams}\kern0.5em \left(25\hbox{-} 64\right)}{\mathrm{number}\kern0.5em \mathrm{of}\kern0.5em \mathrm{satisfactory}\kern0.5em \mathrm{exams}\kern0.5em \left(25\hbox{-} 64\right)}\times 100 \)

3–10%

% ASC-US

\( \frac{\mathrm{number}\ \mathrm{of}\ \mathrm{ASC}\hbox{-} \mathrm{US}\ \mathrm{exams}\ \left(25\hbox{-} 64\right)}{\mathrm{number}\ \mathrm{of}\ \mathrm{satisfactory}\ \mathrm{exams}\kern0.5em \left(25\hbox{-} 64\right)}\times 100 \)

Not available

% HSIL

\( \frac{\mathrm{number}\kern0.5em \mathrm{of}\kern0.5em \mathrm{HSIL}\ \mathrm{exams}\kern0.5em \left(25\hbox{-} 64\right)}{\mathrm{number}\kern0.5em \mathrm{of}\kern0.5em \mathrm{satisfactory}\kern0.5em \mathrm{exams}\kern0.5em \left(25\hbox{-} 64\right)}\times 100 \)

0 5–1 0% (USA, 0.5%; Canada, 0.6%; UK, 1.1%; Norway, 1.1%)

ASC/SIL ratio

\( \frac{\mathrm{number}\ \mathrm{of}\ \mathrm{ASC}\ \mathrm{exams}\ \left(25\hbox{-} 64\right)}{\mathrm{number}\ \mathrm{of}\ \mathrm{SIL}\ \mathrm{exams}\kern0.5em \left(25\hbox{-} 64\right)} \)

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