Table 1.
Demographic characteristics and birth registry information for testicular germ cell tumors and matched controls, Swedish Cancer Registry, 1964–2008.*
| Case (n =6,593) |
Controls (n = 32,955) |
|||
|---|---|---|---|---|
| n | % | n | % | |
| Age at cancer diagnosis, years | ||||
| 15–19 | 241 | 3.7 | ||
| 20–29 | 2166 | 32.8 | ||
| 30–39 | 2281 | 34.6 | ||
| 40–49 | 1222 | 18.5 | ||
| 50–59 | 514 | 7.8 | ||
| 60–65 | 169 | 2.6 | ||
| Year at cancer diagnosis | ||||
| 1964–1972 | 636 | 9.6 | ||
| 1973–2008 | 5957 | 90.4 | ||
| Year of birth | ||||
| < 1964 | 4350 | 66.0 | 21750 | 66.0 |
| 1964–1969 | 956 | 14.5 | 4780 | 14.5 |
| 1970–1974 | 623 | 9.4 | 3110 | 9.4 |
| 1975–1979 | 405 | 6.1 | 2025 | 6.1 |
| 1980–1984 | 202 | 3.1 | 1010 | 3.1 |
| ≥ 1985 | 57 | 0.9 | 280 | 0.9 |
| Data for 1973–2008 only | Mean | SD | Mean | SD |
| Birthweight, grams | 3525.6 | 574.2 | 3562.8 | 568.0 |
| Maternal age, years | 26.9 | 4.9 | 26.9 | 5.0 |
| Gestational age, weeks | 39.4 | 2.0 | 39.6 | 1.9 |
| Maternal parity status | n | % | n | % |
| Nulliparous | 388 | 43.7 | 1875 | 42.7 |
| Parous | 499 | 56.3 | 2514 | 57.3 |
*
SD = standard deviation