Analysis of Serum and Urinal Copper and Zinc in Chinese Northeast Population with the Prediabetes or Diabetes with and without Complications

Table 3

Associations between serum Cu or urinary Cu level as a continuous variable and laboratory parameters in subjects.

	CON (𝑛=50)				IFG (𝑛=12)				IGT (𝑛=15)				T1D (𝑛=25)				T2D (𝑛=137)
	Cu		UCu		Cu		UCu		Cu		UCu		Cu		UCu		Cu		UCu
	𝑟	𝑃	𝑟	𝑃	𝑟	𝑃	𝑟	𝑃	𝑟	𝑃	𝑟	𝑃	𝑟	𝑃	𝑟	𝑃	𝑟	𝑃	𝑟	𝑃
Glu	−0.157	0.214	−0.186	0.196	−0.004	0.991	−0.071	0.826	0.011	0.970	−0.047	0.867	−0.530	0.006*	0.225	0.279	0.109	0.206	0.018	0.838
HbA1c	−0.060	0.681	−0.109	0.451	0.569	0.054	−0.066	0.838	0.135	0.631	0.120	0.671	−0.035	0.867	−0.109	0.603	0.498	<0.001*	0.046	0.591
RBC	0.125	0.389	−0.231	0.106	0.241	0.450	−0.240	0.452	−0.054	0.849	0.092	0.746	0.059	0.781	0.136	0.516	−0.098	0.255	0.073	0.395
Hb	−0.007	0.959	−0.151	0.295	0.308	0.330	−0.131	0.685	−0.011	0.970	0.085	0.763	0.228	0.273	0.256	0.216	−0.036	0.673	0.039	0.650
UCu	−0.204	0.154	—	—	0.237	0.459	—	—	0.284	0.305	—	—	0.096	0.649	—	—	0.184	0.032*	—	—
Zn	0.298	0.036*	−0.121	0.402	0.116	0.720	0.057	0.861	0.118	0.676	−0.186	0.506	0.403	0.046*	0.140	0.506	0.158	0.065	−0.048	0.581
UZn	−0.017	0.906	−0.043	0.767	0.193	0.543	0.673	0.017*	0.118	0.676	0.063	0.823	0.060	0.775	0.202	0.333	0.048	0.577	0.204	0.017*
BUN	0.025	0.866	−0.059	0.685	−0.179	0.579	0.189	0.556	−0.203	0.469	0.113	0.690	−0.186	0.374	0.130	0.536	0.248	0.001*	0.248	0.003*
Cre	−0.090	0.533	0.040	0.781	−0.427	0.166	−0.347	0.269	0.143	0.611	0.302	0.273	0.092	0.663	0.329	0.109	0.125	0.145	0.357	<0.001*
eGFR	0.108	0.457	−0.003	0.983	0.329	0.296	0.366	0.241	0.077	0.785	−0.332	0.226	−0.025	0.904	−0.034	0.873	−0.146	0.090	−0.337	<0.001*
CHO	0.044	0.762	0.152	0.292	0.193	0.548	0.179	0.578	−0.349	0.202	−0.221	0.428	0.198	0.342	−0.490	0.013*	0.119	0.165	0.032	0.708
TG	0.092	0.526	0.151	0.295	0.199	0.536	0.522	0.082	−0.116	0.681	−0.270	0.330	−0.023	0.911	0.268	0.196	0.076	0.379	−0.046	0.597
HDL	−0.148	0.307	−0.053	0.717	−0.046	0.887	−0.159	0.620	0.556	0.032	0.015	0.958	−0.151	0.472	−0.476	0.016*	0.132	0.124	−0.017	0.845
LDL	−0.007	0.963	−0.032	0.827	0.359	0.252	0.103	0.750	0.120	0.670	0.180	0.520	0.101	0.630	−0.540	0.005*	0.128	0.137	0.151	0.079

Data presentation and abbreviations spelt out forms are the same as the description for Table 1. *𝑃<0.05 for the association.