Allelic results of IL-6 (-174 G/C) polymorphism in the literature

Allelic studies of IL-6 (-174 G>C)AlleleFrequency
Our study (West Algeria)Controls
N = 211
G375/422 (88.8%)
C47/422 (11.1%)
G carriers209/211 (99%)
C carriers43/211 (20.4%)
Patients
N = 81
G146/162 (90.1%)
C16/162 (9.8%)
G carriers81/81 (100%)
C carriers16/81 (19.8%)
Erdogan et al. [16] (Turkey)Controls
N = 110
G96 (43.6%)
C124 (56.4%)
Patients
N = 110
G105 (47.7%)
C115 (52.3%)
Durães et al. [18] (Portugal)Controls
N = 735
log-additive (G/C)962 (65.4%)/508 (35.6%)
C carriers vs. GG416 (56.6%)/319 (43.4%)
Patients
N = 418
Log-additive (G/C)501 (59.9%)/335 (40.1%)*
C carriers vs. GG262 (62.7%)/156 (37.3%)
Baki et al. [17] (Turkey)Controls
N = 231
G74%
C26%
Patients
N = 190
G88%
C22%
Aberkan [19] (Blida, center of Algeria)Controls
N = 35
G60 (85.71%)
C10 (14.29%)
Patients
N = 27
G43 (79.63%)
C11 (20.37%)

* Results statistically significant (P value < 0.05). IL-6: interleukin-6