Patient groups and baseline characteristics
| CA125 test result | n | Mean age at diagnosis, years (range) | Patients with a symptom of possible ovarian cancer recorded pre-testing, n (%)a | Townsend score, n (%) | ||||
|---|---|---|---|---|---|---|---|---|
| Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | ||||
| Abnormal | 351 | 65 (22–93) | 212 (60) | 80 (23) | 100 (28) | 78 (22) | 61 (17) | 32 (9) |
| Normal | 105 | 57 (18–87) | 59 (56) | 24 (23) | 31 (30) | 25 (24) | 14 (13) | 11 (10) |
| Overall cohort | 456 | 63 (18–93) | 271 (59) | 104 (23) | 131 (29) | 103 (23) | 75 (16) | 43 (9) |
CA125 = cancer antigen 125.