2.
Laboratory test results of the patients before and at 1 and 3 months during metformin treatment (Mean±SD)
| Laboratory assessment | Before treatment (n=30) | 1 month during treatment (n=26) | 3 months during treatment (n=26) | Statistic difference |
| RBC(×1012/L) | 4.53±0.58 | 4.39±0.31 | 4.46±0.39 | No |
| HGB (g/L) | 134.09±15.70 | 129.45zt13.03 | 130.37112.49 | No |
| ALT (U/L) | 19.91 ±9.89 | 14.61±6.40 | 20.84±10.40 | No |
| AST (U/L) | 16.21±3.49 | 15.48±2.69 | 16.13±3.15 | No |
| TP (g/L) | 72.00±5.96 | 70.39±6.38 | 74.23±3.27 | No |
| ALB (g/L) | 44.48±2.78 | 43.78±3.29 | 44.83±4.95 | No |
| ALP (U/L) | 63.69±13.89 | 56.52±13.87 | 58.00±17.82 | No |
| Cr (pmol/L) | 65.52±13.02 | 66.83±10.23 | 60.18±11.18 | No |
| Urea (mmo/L) | 4.58±1.43 | 4.23±1.32 | 3.66±0.69 | No |
| GFR (mL7min) | 105.44117.29 | 106.79±16.50 | 110.88±17.21 | No |
| Glu (mmo/L) | 4.86±1.45 | 4.87±1.48 | 5.09±0.78 | No |