Table 1. The number and age at diagnosis of patients with testicular cancer and number of patients with second primary cancer.
| Testicular cancer histology | N (%) | Median age at diagnosis IQR1(years) |
| Testicular cancer | 8788 (100.0) | 34 (27–42) |
| Seminoma | 4879 (55.5) | 38 (31–45) |
| Non-seminoma | 3717 (42.3) | 29 (24–36) |
| SPC2s following testicular cancer | N (%) | Median follow-up time IQR (years) |
| Testicular cancer | 830 (9.4) | 11 (4–19) |
| Seminoma | 568 (11.6) | 11 (4–19) |
| Non-seminoma | 249 (6.6) | 13 (4–20) |
IQR1 = Interquartile range (lower quartile-upper quartile)
SPC2 = second primary cancer