Clinical Study
Polymorphisms but Not Mutations of the KCNQ1 Gene Are Associated with Lone Atrial Fibrillation in the Chinese Han Population
Table 2
List of all KCNQ1 variants identified in the present study.
| | Variation | Amino acid change | Frequency in patients | Conserved | Frequency in controls |
| | c.−22T>C | — | 2/190 | No | 1/190 | | c.51119_51118delTG | — | 2/190 | No | 3/190 | | c.1009C>T | A336A | 1/190 | Yes | 0/190 | | c.1128+3G>A | — | 2/190 | No | 1/190 | | c.1590+31A>T | — | 5/190 | No | 3/190 | | c.1684+23G>A | — | 2/190 | No | 3/190 | | c.1685−43G>A | — | 1/190 | No | 2/190 | | c.1795−18C>T | — | 3/190 | No | 2/190 | | c.1860C>T | H620H | 2/190 | Yes | 0/190 | | c.1945G>A | D649N | 4/190 | No | 5/190 | | c.+2285C>T | — | 1/190 | Yes | 0/190 | | c.+2976G>A | — | 5/190 | No | 3/190 |
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