| 
      * P value < 0.05 statistically significant, NS: Not significant
        | Biochemical parameter | P value | 95%    Confidence interval |  
        | Lower | Upper |  
        | SGPT | 0.641 (NS) | 0.962 | 1.065 |  
        | Bilirubin | 0.358 (NS) | 0.414 | 11.447 |  
        | Alkaline phosphatase | 0.029* | 0.985 | 0.999 |  
        | Total protein | 0.865 (NS) | 0.378 | 3.179 |  
        | Albumin | 0.525 (NS) | 0.205 | 2.242 |  |