Number | Estimated true blood loss | Pre op Hb | Hemoglobin drop | Transfusions | Surgery time in min | |
BMI ≤ 30 | 50 | 996.42 ± 553.4 | 11.31 ± 1.32 | 2.7 ± 1.15 | 0.76 ± 0.85 | 86.2 ± 9.46 |
BMI > 30 | 25 | 885.48 ± 411.40 | 11.43 ± 1.51 | 2.4 ± 1.05 | 0.8 ± 0.87 | 87.6 ± 10.05 |
P value | 0.33 | 0.75 | 0.26 | 0.85 | 0.57 |