Possible impact of antioxidant intake on composite dietary antioxidant index and the progression of benign prostatic hyperplasia: an observational study

Table 4 Subgroup analyses between the association of CDAI and BPH

Subgroups	OR (95%CI)	P value	P for interaction
Age	听	听	0.783
&濒迟;鈥�60	1.051(1.000,1.104)	0.051	听
>=60	1.042(1.004,1.080)	0.029	听
alcohol user	听	听	0.086
never	1.066(0.954, 1.191)	0.255	听
former	1.042(0.986,1.100)	0.139	听
mild	1.062(1.020,1.105)	0.004	听
heavy	0.983(0.922,1.049)	0.603	听
smoke	听	听	0.965
never	1.038(0.989,1.089)	0.128	听
former	1.060(1.021,1.101)	0.003	听
current	1.027(0.979, 1.078)	0.275	听
BMI	听	听	0.896
&濒迟;鈥�25	1.033(0.971, 1.100)	0.299	听
25鈥�30	1.042(0.996,1.089)	0.074	听
>=30	1.050(1.011,1.090)	0.012	听
hypertension	听	听	0.707
no	1.048(1.002,1.095)	0.040	听
yes	1.042(1.004,1.082)	0.030	听
DM	听	听	0.59
no	1.048(1.014,1.083)	0.006	听
yes	1.046(0.989,1.106)	0.114	听
CVD	听	听	0.062
no	1.058(1.022,1.096)	0.002	听
yes	0.994(0.937,1.054)	0.838	听

OR: odds ratio; BMI: body mass index; BPH: benign prostatic hyperplasia; CVD: cardiovascular disease; DM: diabetes mellitus
The CDAI was seen as a continuous variable. A P for interaction鈥�>鈥�0.05 indicated that the subgroup was meaningless

ISSN: 1471-2458