Table 6.

Association between IL-6 gene rs1800796(G-572C) genotype (CC) and RA across different ethnicities.

Ethnicity	Number of studies included	Sample size	RA group (n/total)	CG (n/total)	Heterogeneity (I2)	OR [95%CI]	P
CC
Asian	4	2702	647/1336	645/1366	84 %	1.24 [0.83, 1.87]	0.30
Southeast Asian	2	294	55/150	46/144	85 %	1.07 [0.01,105.82]	0.98
CG
Asian	4	2702	560/1336	576/1366	77 %	0.87 [0.62, 1.24]	0.45
Southeast Asian	2	294	67/150	58/144	10 %	1.47 [0.61,3.53]	0.38