Table 3 Genotype and allele frequencies of BAFF rs2893321 in patients younger and older younger than 50 years
From: Associations of BAFF rs2893321 polymorphisms with myasthenia gravis susceptibility
|  | < 50 years old | > 50 years old | ||||||
|---|---|---|---|---|---|---|---|---|
Control n (%) | MG n (%) | χ2 | P | Control n (%) | MG n (%) | χ2 | P | |
Genotype | ||||||||
 AA | 26 (34.2%) | 34 (43.0%) | 6.058 | 0.048* | 26 (36.1%) | 27 (38.6%) | .979 | .613 |
 GA | 42 (55.3%) | 29 (36.7%) |  |  | 38 (52.8%) | 32 (45.7%) |  |  |
 GG | 8 (10.5%) | 16 (20.3%) |  |  | 8 (11.1%) | 11 (15.7%) |  |  |
Allele | ||||||||
 A | 94 (61.8%) | 97 (61.4%) | 0.007 | 0.935 | 90 (62.5%) | 86 (61.4%) | .035 | .852 |
 G | 58 (38.2%) | 61 (38.6%) |  |  | 54 (37.5%) | 54 (38.6%) |  |  |