Table 2 Biochemistry at the beginning and the end of experiment
| Â | Supine position | Prone position | P value |
|---|---|---|---|
Urea (mg/dl) | |||
   Baseline | 34.9 ± 11.5 | 43.4 ± 6.5 | NS |
   90 minutes | 41.1 ± 7.3 | 37.1 ± 8.4 | NS |
   P value | NS | NS |  |
Creatinine (mg/dl) | |||
   Baseline | 0.62 ± 0.1 | 0.48 ± 0.11 | NS |
   90 minutes | 0.55 ± 0.08 | 0.53 ± 0.1 | NS |
   P value | NS | NS |  |
aspartate aminotransferase (IU/l) | |||
   Baseline | 94 ± 21 | 98 ± 25 | NS |
   90 minutes | 147 ± 19 | 84 ± 27 | <0.05 |
   P value | <0.05 | NS |  |
alanine aminotransferase (IU/l) | |||
   Baseline | 14 ± 6 | 16 ± 7 | NS |
   90 minutes | 27 ± 8 | 15 ± 9 | <0.05 |
   P value | <0.05 | NS |  |
γ-Glutamyl transpeptidase (IU/l) | |||
   Baseline | 26 ± 18 | 29 ± 24 | NS |
   90 minutes | 33 ± 22 | 25 ± 23 | NS |
   P value | NS | NS |  |