| Variables | Number of patients with remission n (%) | Number of patients with resistance n (%) | Total | p value |
| Age range (years) | ||||
| <40 | 60 (87) | 9 (13) | 69 (78.4) | 0.1 |
| ≥40 | 14 (73.7) | 5 (26.3) | 19 (21.6) | |
| Interval from index pregnancy (months) | ||||
| <4 | 39 (84.8) | 7 (15.2) | 46 (52.3) |
|
| ≥4 | 35 (83.3) | 7 (16.7) | 42 (47.7) | |
| Largest tumour size in cm | ||||
| 0 | 51 (85) | 9 (15) | 60 (68.2) | 0.4 |
| <3 | 23 (82.1) | 5 (17.9) | 28 (31.8) | |
| Pre-treatment serum hCG level (UI/ml) | ||||
| <100,000 | 67 (84.8) | 12 (15.2) | 79 (89.8) | 0.47 |
| ≥100,000 | 7 (77.8) | 2 (22.2) | 9 (10.2) | |
| FIGO stage | ||||
| I | 70 (85.4) | 12 (14.6) | 82 (93.2) | 0.2 |
| II-III | 4 (66.7) | 2 (33.3) | 6 (6.8) | |
| WHO score | ||||
| <4 | 54 (90) | 6 (10) | 60 (68.2) | 0.031 |
| ≥4 | 20 (71.4) | 8 (28.6) | 28 (31.8) | |
| Surgery before treatment | ||||
| Yes | 5 (50) | 5 (50) | 10 (11.4) | 0.008 |
| No | 69 (88.5) | 9 (11.5) | 78 (88.6) | |