Table 3. Stratification analysis of the miRNA polymorphisms.

Characteristics	rs2910164					rs11614913
	Control*	Case*	ORadd (95% CI)	P add †	P interaction	Control*	Case*	ORadd (95% CI)	P add †	P interaction
Age
< = 60	112/121/30	84/107/35	1.30 (0.95–1.76)	0.097		70/128/65	69/112/45	0.91 (0.68–1.22)	0.528
>60	107/136/25	105/154/46	1.40 (1.06–1.86)	0.020	0.628	83/138/47	97/153/55	0.96 (0.74–1.26)	0.789	0.564
Sex
Male	133/168/26	131/160/36	1.17 (0.89–1.54)	0.267		96/155/76	96/170/61	0.89 (0.69–1.13)	0.338
Female	86/89/29	58/101/45	1.65 (1.21–2.26)	0.002	0.122	57/111/36	70/95/39	0.95 (0.69–1.30)	0.756	0.773
Smoking
No	150/183/45	123/183/56	1.29 (1.00–1.66)	0.048		111/191/76	107/185/70	1.02 (0.80–1.31)	0.848
Yes	69/74/10	66/78/25	1.56 (1.08–2.26)	0.018	0.323	42/75/36	59/80/30	0.75 (0.54–1.05)	0.093	0.133
Drinking
No	182/203/46	145/216/69	1.44 (1.15–1.82)	0.002		123/223/85	139/213/78	0.88 (0.70–1.10)	0.235
Yes	37/54/9	44/45/12	1.08 (0.67–1.74)	0.753	0.206	30/43/27	27/52/22	1.06 (0.69–1.62)	0.802	0.479
Hypertension
No	172/197/47	68/91/32	1.34 (1.03–1.74)	0.029		124/206/86	58/93/40	1.01 (0.78–1.30)	0.952
Yes	47/60/8	121/170/49	1.38 (0.98–1.93)	0.062	0.814	29/60/26	108/172/60	0.77 (0.56–1.05)	0.099	0.233
Diabetes mellitus
No	194/238/53	138/194/65	1.30 (1.04–1.62)	0.019		142/238/105	124/198/75	0.91 (0.74–1.13)	0.393
Yes	25/19/2	51/67/16	1.78 (0.97–3.25)	0.063	0.296	11/28/7	42/67/25	0.92 (0.54–1.58)	0.766	0.974

*Wild-type homozygote/heterozygote/variant homozygote.

†Additive model (wild-type homozygote vs. heterozygote vs. variant homozygote). Data were calculated by unconditional logistic regression, adjusted for age, sex, smoking, drinking, BMI, hypertension and diabetes mellitus.