Factors influencing secondary remission after isolated testicular relapse
| Factor | No | Observed | Expected | Observed/expected | p Value |
|---|---|---|---|---|---|
| Age at diagnosis (years) | |||||
| < 3 | 4 | 1 | 2.11 | 0.47 | |
| 3-7 | 17 | 7 | 7.83 | 0.89 | 0.204 |
| > 7 | 11 | 6 | 4.04 | 1.48 | |
| Year of first treatment | |||||
| 1972-8 | 15 | 5 | 6.82 | 0.73 | |
| 1979-82 | 11 | 6 | 4.74 | 1.28 | 0.408 |
| 1983-7 | 6 | 3 | 2.47 | 1.26 | |
| Type of relapse | |||||
| Overt | 21 | 11 | 9.09 | 1.21 | |
| Occult | 11 | 3 | 4.91 | 0.61 | 0.284 |
| Length of first remission (days) | |||||
| −730 | 6 | 6 | 0.93 | 6.45 | |
| −1094 | 13 | 4 | 6.53 | 0.61 | 0.002 |
| −1460 | 11 | 4 | 5.41 | 0.74 | |
| −3650 | 2 | 0 | 1.13 | 0.00 | |
| Initial white cell count (× 109/l) | |||||
| < 50 | 27 | 12 | 12.64 | 0.95 | |
| 50-100 | 2 | 1 | 0.79 | 1.45 | 0.579 |
| > 100 | 3 | 1 | 0.67 | 1.50 | |
| Type of treatment | |||||
| Non-standard | 3 | 3 | 3.13 | ||
| Standard | 16 | 4 | 0.53 | ||
| Intensified | 12 | 6 | 1.14 | ||
| Bone marrow transplant | 1 | 1 | 3.54 | 0.09 |