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Postoperative change in hematocrit level (vol %) per different times of blood sampling.
| Time of blood sampling | CAS group | Conventional group | P value |
|---|---|---|---|
| Immediately after surgery | 4.8 ± 0.22 | 6.9 ± 3.2 | 0.02 |
| 1st day postoperatively | 7.6 ± 1.1 | 7.9 ± 2.3 | 0.05 |
| 2nd day postoperatively | 9.4 ± 1.2 | 9.6 ± 1.3 | 0.09 |
| 5th day postoperatively | 9.8 ± 1.7 | 9.7 ± 2.6 | 0.96 |
| 30th day postoperatively | 3.5 ± 0.3 | 3.9 ± 1.3 | 0.16 |
Abbreviations: CAS, computer assisted surgery.
