Table 2 Comparison of perioperative data between the two groups
|  | Control group (n = 72) | Study group (n = 72) | p-value |
|---|---|---|---|
Operation time (min) | 76.1 ± 12.5 | 78.4 ± 22.3 | 0.349 |
Anesthesia (general: spinal) | 63:9 | 63: 9 | >  0.99 |
Immediate postoperative Hb (g/dL) | 10.6 ± 1.8 | 10.6 ± 1.2 | 0.991 |
POD 1 Hb (g/dL) | 9.9 ± 1.2 | 10.2 ± 1.1 | 0.138 |
POD 1 Hct (%) | 29.5 ± 3.3 | 30.1 ± 4.5 | 0.147 |
POD 5 Hb (g/dL) | 10.0 ± 1.0 | 9.5 ± 1.0 | 0.152 |
POD 5 Hct (%) | 30.3 ± 3.2 | 28.9 ± 4.7 | 0.210 |
Transfusion rate (%) | 65.2 (47/72) | 36.1 (26/72) | 0.002 |
Transfusion rate (%) in Hb > 8 g/dL | 31.9 (15/47) | 30.7 (8/26) | 0.431 |
Hospital stay (days) | 23.4 ± 9.8 | 21.2 ± 6.8 | 0.184 |
ICU admission (%) | 48.6 (35/72) | 38.9 (28/72) | 0.240 |
ICU stay (days) | 3.4 ± 4.2 | 2.3 ± 0.9 | 0.161 |