The Effect of Bradykinin B2 Receptor Polymorphisms on the Susceptibility and Severity of Osteoarthritis in a Chinese Cohort

Table 2

The genotype distributions and allele frequencies of BDKRB2 polymorphisms in knee OA and control subjects.

		OA	%	Control	%	OR	95% CI		𝜒^2	𝑃
+9/−9	+9/+9	44	17.96%	67	25.38%	1
	+9/−9	119	48.57%	144	54.55%	1.258	0.801	1.976	0.998	0.318
	−9/−9	82	33.47%	53	20.08%	2.356	1.409	3.938	10.856	<0.001
	+9	207	42.24%	278	52.65%	1.000
	−9	283	57.76%	250	47.35%	1.520	1.187	1.947	11.034	<0.001
−58T/C	TT	80	32.65%	64	24.24%	1.000
	TC	102	41.63%	121	45.83%	0.674	0.443	1.028	3.372	0.066
	CC	63	25.71%	79	29.92%	0.638	0.400	1.017	3.581	0.058
	T	262	53.47%	249	47.16%	1.000
	C	228	46.53%	279	52.84%	0.777	0.607	0.994	4.048	0.044