Table 3.

Association between OBS and mortality of the T2DM population.

	Model 1		Model 2		Model 3
	HR (95%CI)	P value	HR (95%CI)	P value	HR (95%CI)	P value
All-cause mortality
OBS	0.96(0.95,0.97)	<0.001	0.96(0.95,0.97)	<0.001	0.98(0.97,0.99)	<0.001
OBS quartiles
Q1	ref		ref		ref
Q2	0.69(0.57,0.84)	<0.001	0.67(0.56,0.82)	<0.001	0.74(0.61,0.89)	0.002
Q3	0.63(0.54,0.75)	<0.001	0.65(0.55,0.77)	<0.001	0.78(0.67,0.92)	0.003
Q4	0.47(0.38,0.58)	<0.001	0.52(0.43,0.63)	<0.001	0.70(0.58,0.86)	<0.001
P for trend		<0.001		<0.001		<0.001
Cardiovascular mortality
OBS	0.95(0.93,0.97)	<0.001	0.95(0.93,0.97)	<0.001	0.97(0.95,0.99)	0.003
OBS quartiles
Q1	ref		ref		ref
Q2	0.66(0.46,0.94)	0.023	0.64(0.45,0.90)	0.011	0.70(0.50,0.98)	0.036
Q3	0.64(0.45,0.91)	0.014	0.65(0.46,0.92)	0.016	0.78(0.56,1.09)	0.140
Q4	0.39(0.25,0.59)	<0.001	0.42(0.27,0.66)	<0.001	0.57(0.36,0.88)	0.011
P for trend		<0.001		<0.001		0.021

Model 1: no adjusted.

Model 2: adjusted for age, sex, and race.

Model 3: further adjusted for PIR, marital status, education level, smoking status, and hypertension based on Model 2.

PIR, poverty income ratio; OBS, oxidative balance score; T2DM, diabetes mellitus; HR, hazard ratio; CI, confidence interval.