Table II.
AR CAG repeat lengths comparing TGCT case alleles to individually matched control alleles
| Range | Mean ± SD | Median | P valuea | |
| All TGCT | ||||
| Case alleles (N = 273) | 12–30 | 21.12 ± 3.01 | 21.0 | 0.45 |
| Control alleles (N = 273) | 9–33 | 21.33 ± 3.30 | 21.0 | |
| Seminoma only | ||||
| Case alleles (N = 140) | 12–29 | 20.71 ± 2.92 | 20.0 | 0.014 |
| Control alleles (N = 140) | 12–30 | 21.61 ± 3.19 | 22.0 | |
| Mixed germ cell tumor only | ||||
| Case alleles (N = 53) | 17–30 | 21.92 ± 3.00 | 22.0 | 0.69 |
| Control alleles (N = 53) | 13–33 | 21.66 ± 3.66 | 22.0 | |
| Nonseminoma only | ||||
| Case alleles (N = 68) | 14–29 | 21.51 ± 3.00 | 21.0 | 0.060 |
| Control alleles (N = 68) | 9–29 | 20.51 ± 3.15 | 20.0 |
a
P value from paired t-test comparing mean length of case (transmitted) alleles and control (untransmitted) alleles.