Table 4. Correlation between both urinary and serum ZAG and different variables among the three patients groups.
| Variable | Urinary ZAG (n = 66) |
Serum ZAG (n = 66) |
||
|---|---|---|---|---|
| r | p | r | p | |
| Age (years) | 0.06 | 0.63 | 0.002 | 0.98 |
| Weight | 0.13 | 0.31 | 0.07 | 0.56 |
| Duration of DM (years) | 0.88 | < 0.001 | 0.86 | < 0.001 |
| Albumin (g/dL) | -0.51 | < 0.001 | -0.52 | < 0.001 |
| Total protein (g/dL) | -0.49 | < 0.001 | -0.47 | < 0.001 |
| FBS: (mg/dL) | 0.04 | 0.74 | 0.03 | 0.84 |
| RBG: (mg/dL) | -0.02 | 0.9 | -0.02 | 0.99 |
| HbA1c: (%) | -0.08 | 0.51 | -0.02 | 0.86 |
| eGFR: (mL/min) | -0.78 | < 0.001 | -0.87 | < 0.001 |
| Uric acid: (mg/dL) | 0.16 | 0.2 | 0.12 | 0.34 |
| Creatinine:(mg/dL) | 0.15 | 0.23 | 0.08 | 0.46 |
| UACR: (mg/g) | 0.86 | < 0.001 | 0.89 | < 0.001 |
| Urinary ZAG: (mg/g) | ----- | ------ | 0.93 | < 0.001 |
| Serum ZAG: (mg/L) | 0.93 | < 0.001 | ------ | ----- |
DM: diabetes mellitus, FBG: fasting blood glucose, RBG: random blood glucose, HbA1C: glycosylated hemoglobin, S.Cr: serum creatinine, eGFR: estimated glomerular filtration rate, UACR: urinary albumin creatinine ratio, ZAG: zinc-alpha-2-glycoprotein, p-value < 0.05 is significant.