Cytology results for symptomatic cytology versus all other cytology tests recorded in women aged 20–29 years (CPRD data 1990 to 2010)
| Cytology result | All other cytology,a n (%) | Symptomatic cytology,b n (%) |
|---|---|---|
| Normal | 47 175 (79.3) | 1433 (77.8)c |
| Inadequate | 4728 (7.9) | 179 (9.7) |
| Borderline | 3930 (6.6) | 113 (6.1) |
| Mild dyskaryosis | 2591 (4.4) | 80 (4.3) |
| Moderate dyskaryosis | 648 (1.1) | 19 (1.0) |
| Severe dyskaryosis | 431 (0.7) | 18 (1.0) |
| ?Glandular neoplasia | 4 (0.01) | 0 (0) |
| High-grade dyskaryosis ?invasive | 7 (0.01) | 0 (0) |
| Total | 59 514 (100) | 1842 (100) |
| Moderate dyskaryosis or worse | 1090 (1.8) | 37 (2.0) |
| Severe dyskaryosis or worse (very high grade) | 442 (0.7) | 18 (1.0) |
↵a All other cytology results defined as not recorded within 1 month of presenting with a gynaecological symptom.
↵b Symptomatic cytology defined as test recorded within 1 month after presenting with a gynaecological symptom.
↵c If inadequate samples are excluded from the denominator, 86.2% (1433 out of 1663). CPRD = Clinical Practice Research Datalink.