Table 2 Distribution of butyrylcholinesterase genotype in Gulf War illness cases and controls
Total sample (n = 304) | GWI cases (n = 144) | Controls (n = 160) | ||||
|---|---|---|---|---|---|---|
BChE genotype | n | (%) | n | (%) | n | (%) |
U/U | 189 | (62%) | 89 | (62%) | 100 | (62%) |
U/K | 87 | (29%) | 41 | (28%) | 46 | (29%) |
K/K | 13 | (4%) | 7 | (5%) | 6 | (4%) |
U/AK | 10 | (3%) | 5 | (3%) | 5 | (3%) |
U/A | 3 | (1%) | 1 | (<1%) | 2 | (1%) |
A/F | 1 | (<1%) | 0 | (0%) | 1 | (<1%) |
AK/F | 1 | (<1%) | 1 | (<1%) | 0 | (0%) |
Less common variants combined (K/K, U/AK, U/A. A/F, AK/F) | 28 | (9%) | 14 | (10%) | 14 | (9%) |