Variable | Epidural anesthesia (n = 112) | Spinal anesthesia (n = 50) | General anesthesia (n = 21) | Adjusted Mean Difference* between Epidural and General | Adjusted Mean Difference* between Spinal and General | ||
| N, Mean (SD) | N, Mean (SD) | N, Mean (SD) | Mean Difference (SE) | P-value | Mean Difference (SE) | P-value |
Arterial Cord pH | 105, 7.22 (0.08) | 45, 7.17 (0.11) | 17, 7.20 (0.12) | 0.02 (0.03) | 0.68 | −0.03 (0.03) | 0.44 |
Venous Cord pH | 101, 7.26 (0.08) | 47, 7.22 (0.11) | 21, 7.23 (0.11) | 0.03 (0.22) | 0.25 | −0.005 (0.02) | 0.96 |