Table 3. Subgroup analyses between ADAMTS14/rs4747096 gene polymorphism and the risk of KOA.

Variables	rs4747096 (Case/control)			GG compared with AA		GG compared with AG		GG/AG compared with AA		GG compared with AG/AA		G compared with A
	AA	AG	GG	OR (95%CI)	P	OR (95%CI)	P	OR (95%CI)	P	OR (95%CI)	P	OR (95%CI)	P
Sex
Male	73/132	63/96	34/20	3.07 (1.65–5.73)	0.020	2.59 (1.37–4.89)	0.003	1.51 (1.02–2.24)	0.039	2.85 (1.58–2.15)	0.001	1.66 (1.24–2.23)	0.001
Female	73/124	63/86	40/22	3.09 (1.70–5.60)	0.000	2.48 (1.34–4.58)	0.004	1.62 (1.09–2.41)	0.017	2.80 (1.60–4.93)	0.000	1.76 (1.31–2.36)	0.000
Age (years)
<60	78/156	82/118	50/28	3.57 (2.09–6.11)	0.000	2.57 (1.50–4.42)	0.001	1.28 (0.82–2.01)	0.277	3.05 (1.85–5.05)	0.000	1.89 (1.46–2.45)	0.000
≥60	68/100	40/64	24/14	2.52 (1.22–5.22)	0.013	2.49 (1.16–5.35)	0.019	1.81 (1.26–2.59)	0.001	2.51 (1.25–5.06)	0.010	1.43 (1.01–2.03)	0.042
Smoking
Yes	42/108	41/60	31/10	2.78 (1.57–4.93)	0.000	2.81 (1.57–5.03)	0.001	2.31 (1.43–3.73)	0.001	2.79 (1.62–4.82)	0.000	2.89 (2.01–4.15)	0.000
No	104/148	85/122	43/22	3.99 (2.05–7.76)	0.000	2.27 (1.14–4.51)	0.020	1.26 (0.90–1.79)	0.183	3.14 (1.69–5.84)	0.000	1.47 (1.13–1.91)	0.004
Drinking
Yes	40/80	40/52	20/10	4.08 (2.35–7.07)	0.000	3.71 (2.11–6.53)	0.000	1.53 (1.10–2.13)	0.012	3.91 (2.31–6.63)	0.000	1.77 (1.38–2.28)	0.000
No	106/176	86/130	54/22	2.00 (0.96–4.14)	0.062	1.30 (0.62–2.73)	0.490	1.67 (1.00–2.78)	0.050	1.65 (0.84–3.25)	0.148	1.47 (0.98–2.22)	0.063
BMI
≥24	63/98	55/74	27/18	3.72 (2.13–6.52)	0.000	2.97 (1.68–5.30)	0.000	1.70 (1.18–2.45)	0.004	2.19 (1.15–4.15)	0.017	0.93 (0.66–1.30)	0.677
<24	83/158	71/108	47/48	2.33 (1.19–4.58)	0.014	2.02 (1.01–4.03)	0.046	1.39 (0.90–2.14)	0.140	3.38 (1.99–5.75)	0.000	1.18 (0.90–1.55)	0.219