Table 4. Stratified analyses between TLR-9 rs187084 polymorphism and the risk of osteoarthritis.

Variable	TLR-9 rs187084 (case/control)			CC vs. TT	CC+TC vs. TT	CC vs. TC+TT
	CC	TC	TT
Sex
Male	12/7	37/45	32/41	2.20 (0.78–6.23); 0.138	1.21 (0.66–2.21); 0.542	2.14 (0.80–5.72); 0.131
Female	16/11	70/56	41/51	1.81 (0.76–4.32); 0.182	1.60 (0.95–2.69); 0.078	2.61 (1.08–6.33); 0.415
Age (years)
<55	11/10	54/48	38/37	1.07 (0.41–2.82); 0.890	1.09 (0.61–1.94); 0.766	1.02 (0.41–2.51); 0.972
≥55	17/8	53/53	35/55	3.34 (1.30-8.56); 0.012	1.80 (1.05–3.11); 0.034	2.61 (1.08–6.33); 0.034

Bold values are statistically significant (P<0.05).