Table 1. Genetic variants discovered in FGFR1OP2/wit3.0 gene by direct sequencing (n = 24).
| Region | SNP number | SNP Name | Position | variation | Allele Frequency | HWE |
| Promoter | rs2306852 | −17552A/G | chr12:27089540 | A/G | A∶G = 0.979∶0.021 | 1 |
| Promoter | rs2279351 | −16542 A/C | chr12:27090550 | A/C | A∶C = 0.938∶0.063 | 1 |
| Promoter | ss518063498 | −16161∼16150CA/− | chr12:27090931–27090942 | CA/INS | [6]∶[7] = 0.958∶0.042* | 1 |
| Promoter | rs78054962 | −15988C/T | chr12:27091104 | C/T | T∶C = 0.958∶0.042 | 1 |
| Exon2 | ss518063493 | E6E | chr12:27107109 | G/A | G∶A = 0.979∶0.021 | 1 |
| Intron2 | ss518063913 | IVS2+7∼11T/− | chr12:27107233–27107237 | T/del | T∶- = 0.979∶0.021** | 1 |
| Exon4 | ss518063476 | M113T | chr12:27110618 | C/T | T∶C = 0.979∶0.021 | 1 |