Table 3.

Stratified analyses between ETS1 rs1128334 G/A and WDFY4 rs7097397 A/G polymorphisms and risk of rheumatoid arthritis.

Variable	ETS1 rs1128334 G/A (Case/Control)			OR (95% CI)			WDFY4 rs7097397 A/G (Case/Control)			OR (95% CI)
	GG	GA	AA	GG	GA	AA	AA	AG	GG	AA	AG	GG
Gender
Male	33/99	37/75	8/20	1.00	1.48 (0.85–2.58); p:0.168	1.20 (0.48–2.98); p:0.695	33/87	39/88	9/22	1.00	1.17 (0.67–2.03); p:0.579	1.08 (0.45–2.58); p:0.865
Female	102/192	105/223	34/64	1.00	0.89 (0.64–1.24); p:0.479	1.00 (0.62–1.62); p:1.000	89/237	121/197	30/60	1.00	1.64 (1.17–2.28); p:0.0037	1.33 (0.81–2.20); p:0.263
Age
<55	69/143	68/156	23/34	1.00	0.90 (0.60–1.35); p:0.623	1.40 (0.77–2.56); p:0.271	55/176	79/130	26/34	1.00	1.95 (1.29–2.94); p:0.0016, pcorrect:0.0032	2.45 (1.35–4.43); p:0.0031, pcorrect:0.0062
≥55	66/148	74/142	19/50	1.00	1.17 (0.78–1.75); p:0.450	0.85 (0.47–1.56); p:0.603	67/148	81/155	13/48	1.00	1.15 (0.78–1.71); p:0.476	0.60 (0.30–1.18); p:0.137
CRP status
Positive	67/291	72/298	20/84	1.00	1.05 (0.73–1.52); p:0.799	1.03 (0.59–1.80); p:0.906	65/324	82/285	13/82	1.00	1.43 (1.00–2.06); p:0.051	0.79 (0.42–1.50); p:0.473
Negative	68/291	70/298	22/84	1.00	1.01 (0.69–1.46); p:0.978	1.12 (0.65–1.92); p:0.678	57/324	78/285	26/82	1.00	1.56(1.07–2.27); p:0.0216 pcorrect:0.0432	1.80 (1.07–3.04); p:0.0273 pcorrect:0.0546
ACPA status
Positive	66/291	76/298	17/84	1.00	1.12 (0.78–1.62); p:0.531	0.89 (0.50–1.60); p:0.703	61/324	80/285	19/82	1.00	1.49 (1.03–2.16); p:0.0340 pcorrect:0.0680	1.23 (0.70–2.17); p:0.475
Negative	69/291	66/298	25/84	1.00	0.93 (0.64–1.36); p:0.721	1.26 (0.75–2.11); p:0.390	61/324	80/285	20/82	1.00	1.49 (1.03–2.16); p:0.0340 pcorrect:0.0680	1.30 (0.74–2.27); p:0.365

The genotyping was successful in: 319 cases and 673 controls for ETS1 rs1128334 G/A; 321 cases and 691 controls for WDFY4 rs7097397 A/G; Bonferroni correction was performed to correct the p value (p_correct).