Table 5. Associations between reduced sperm counts and the most common MTRR haplotypes.
Haplotype | Frequency | Cases (alleles) | Controls (alleles) | Chi2 | p | ||
n | % | n | % | ||||
GC | 0.352 | 165 | 33.02 | 78 | 34.12 | 0.032 | 0.8580 |
GT | 0.270 | 125 | 24.98 | 61 | 26.84 | 0.199 | 0.6556 |
AC | 0.229 | 109 | 21.78 | 49 | 21.58 | 0.021 | 0.8860 |
AT | 0.149 | 73 | 14.62 | 30 | 13.07 | 0.393 | 0.5310 |