Table 4.

Univariate and multiple linear regression models for serum NGAL (A) and MMP-9/NGAL (B, log-transformed) concentrations in diabetic patients

	Univariate models		Multiple model
	β ± SEa	p	β ± SEa	p
(A)
Insulin	−21.75 ± 14.41	0.136	−10.97 ± 13.30	0.413
Metformin	−74.67 ± 10.98	<0.0001	−74.60 ± 11.84	<0.0001
Other anti-DM medication	−7.56 ± 14.07	0.593	−7.31 ± 11.21	0.517
HBA1c	5.81 ± 6.70	0.388	14.12 ± 5.94	0.021
log_Neutrophils	33.68 ± 18.69	0.076	9.57 ± 14.88	0.523
(B)
Insulin	−0.29 ± 0.27	0.271	1.88 ± 1.02	0.072
Metformin	−0.69 ± 0.247	0.0067	−0.57 ± 0.28	0.043
Other anti-DM medication	0.0087 ± 0.258	0.973	0.04 ± 0.26	0.875
HBA1c	0.05 ± 0.123	0.665	0.12 ± 0.14	0.405
log_Neutrophils	0.821 ± 0.339	0.018	0.63 ± 0.35	0.073

^aRegression parameter (β) ± standard error (SE)