Table 1. Simple linear regression analysis of different parameters and plasma copeptin in all cases

Parameters	B value	Adjustment β	95% CI for B value	p value
Age (year‐old)	0.022	0.063	‐0.085–0.12	0.680
Hematocrit (%)	1.419	0.490	0.662–2.17	<0.001 **
Albumin (g/dL)	0.604	0.083	‐0.009–0.015	0.604
Glucose (mg/dL)	0.162	‐0.179	‐0.513–0.18	0.352
BUN (mg/dL)	1.211	0.358	0.252–2.17	0.014*
Creatinine (mg/dL)	0.092	0.410	0.31–0.15	0.004*
Phosphate (mg/dL)	0.14	0.344	‐0.008–0.28	0.063
Sodium (mmol/L)	4.452	0.442	1.402–7.501	0.005*
Potassium (mmol/L)	0.136	0.428	0.039–0.23	0.007*
Chloride (mmol/L)	0.019	0.080	‐0.062–0.1	0.640
ALT (U/L)	2.128	0.206	‐1.633–5.88	0.257
ALP (U/L)	‐3.022	‐0.097	‐14.429–8.38	0.593
Systolic blood pressure (mmHg)	10.912	0.575	3.666–18.15	0.005*
USG	0.033	0.448	0.013–0.05	0.002*
Blood osmolarity (mOsm/kg)	9.59	0.441	2.992–16.18	0.006*
UPC	0.153	0.363	0.014–0.29	0.032*

ALT, Alanine aminotransferase; ALP, Alkaline phosphatase; BUN, Blood urine nitrogen; USG, Urine‐specific gravity; UPC, Urine protein‐urine creatinine ratio.

*p<0.05; **p<0.001.