Serum Extracellular Superoxide Dismutase Is Associated with Diabetic Retinopathy Stage in Chinese Patients with Type 2 Diabetes Mellitus

Table 2

Multivariate linear regression analysis between serum ecSOD activity (dependent variable) and clinical characteristics (independent variables).

	β (95% confidence interval)	SE	value
Age	−0.326 (−0.450 to −0.201)	0.063	<0.001
Gender	−0.110 (−2.972 to 2.752)	1.455	0.940
Duration of T2DM	−0.097 (−0.294 to 0.101)	0.100	0.336
BMI	0.365 (0.01 to 0.728)	0.185	0.051
SBP	0.052 (−0.039 to 0.143)	0.046	0.259
DBP	−0.053 (−0.199 to 0.093)	0.074	0.478
FBG	0.237 (−0.241 to 0.715)	0.243	0.330
HbA1c	−1.532 (−2.270 to −0.795)	0.375	<0.001
Cr	0.029 (−0.054 to 0.111)	0.042	0.495
BUN	−0.259 (−0.935 to 0.417)	0.344	0.452
CYS-C	−10.561 (−15.675 to −5.447)	2.600	<0.001
TG	1.477 (−0.055 to 3.010)	0.779	0.059
TC	−2.042 (−6.011 to 1.927)	2.017	0.312
LDL-C	3.730 (−0.814 to 8.274)	2.310	0.107
HDL-C	8.121 (1.822 to 14.419)	3.202	0.012