Table 4.

Result of cytology by age group in women with cervical cancer (the first non-repeat test in the 12 months prior to diagnosis), and in the general population, and PPV of the result to cervical cancer

Cytology test resultTests and cancers between April 2007 and March 2010
Cancers% cancers diagnosed with test result or worseCytology tests% of all testsPPV, %
Age 20–24 years
Negative0100211 930820.00
Inadequate010075092.90.00
Borderline low risk810015 9476.20.05
Mild dyskaryosis69313 4405.20.04
Borderline high risk88720920.80.38
Moderate dyskaryosis138037221.40.35
Severe dyskaryosis546836221.41.49
?Glandular neoplasia4209204.35
High-grade dyskaryosis ?invasive181671025.35
Total111258 4250.04
High gradea9795991.01
Very high gradeb7637852.01
Age 25–29 years
Negative171001 108 46987.50.00
Inadequate79832 2232.50.02
Borderline low risk229751 9104.10.04
Mild dyskaryosis189338 4523.00.05
Borderline high risk259168090.50.37
Moderate dyskaryosis688712 3011.00.55
Severe dyskaryosis4027716 0891.32.50
?Glandular neoplasia6019595010.08
High-grade dyskaryosis ?invasive7411320023.13
Total6931 267 1680.05
High gradea62936 1141.74
Very high gradeb53617 0043.15

  • ↵a High grade, defined as borderline high risk or moderate dyskaryosis, or worse.

  • ↵b Very high grade, defined as severe dyskaryosis or worse. PPV = positive predictive value.