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Postoperative change in hemoglobin concentration (gr/dL) per different times of blood sampling.
| Time of blood sampling | CAS group | Conventional group | P value |
|---|---|---|---|
| Immediately after surgery | 1.1 ± 0.22 | 1.2 ± 0.23 | 0.08 |
| 1st day postoperatively | 2.6 ± 0.9 | 2.9 ± 1.3 | 0.68 |
| 2nd day postoperatively | 3.1 ± 1.1 | 3.3 ± 1.4 | 0.09 |
| 5th day postoperatively | 3.3 ± 1.3 | 3.7 ± 0.9 | 0.16 |
| 30th day postoperatively | 1.2 ± 0.3 | 1.4 ± 0.8 | 0.66 |
Abbreviations: CAS, computer assisted surgery.
