Table 2 Comparison of intra- and postoperative characteristics between the two groups
Parameters | Study group (n = 36) | Control group (n = 37) | p value |
|---|---|---|---|
Operative time (minutes)a | 125.8 ± 10.2 | 128.8 ± 9.4 | 0.195 |
Intraoperative blood loss (mL) | 230.9 ± 41.6 | 344 ± 144 | < 0.0001 |
Drain (mL)- 12 h | 115 ± 31.2 | 168 ± 51.3 | < 0.0001 |
24 h | 74.2 ± 20.4 | 136 ± 8.5 | < 0.0001 |
48 h | 61 ± 18.6 | 98.6 ± 35.6 | < 0.0001 |
Total blood loss (clinical method) | 481 ± 43.9 | 737.6 ± 137.8 | < 0.0001 |
Total blood loss- Gross’ formula | 484.2 ± 260.9 | 847 ± 374.5 | < 0.0001 |
Post-op Hb | |||
Day1 | 12.1 ± 1.4 | 11.3 ± 1.2 | =0.0106 |
Day 2 | 11.5 ± 1.1 | 11 ± 1 | =0.046 |
Drop in Hb | |||
Day1 | 1.1 ± 0.4 | 2 ± 0.7 | < 0.0001 |
Day 2 | 1.8 ± 1.1 | 2.4 ± 0.5 | =.004 |
Post-op Hct | |||
Day 1 | 34.1 ± 3.4 | 31.5 ± 3.5 | =0.0019 |
Day 2 | 33.4 ± 2.5 | 31.1 ± 1.9 | < 0.0001 |
Drop in Hct | |||
Day 1 | 2.7 ± 1.8 | 5.2 ± 2.1 | < 0.0001 |
Day 2 | 3.4 ± 1.9 | 5.5 ± 2.6 | 0.0002 |
Blood transfusion (no. of patients)b | 1 | 7 | .027299 |
Complications | None | None | 1.000 |