Table 2. Comparison of hemoglobin and hematocrit values preoperatively and postoperatively between the two groups that underwent arthrodesis with a posterior approach.
| Variables | Non-ICS (n=15/35, 7%) | ICS (n=27/64, 3%) | P* |
|---|---|---|---|
| Hemoglobin (g/dL) | |||
| Preoperative | 13.11±1.27 | 13.28±1.09 | 0.495 |
| 1st postoperative | 8.08±1.30 | 8.84±1.49 | 0.089 |
| 3rd postoperative | 8.42±1.80 | 8.96±1.35 | 0,620 |
| Discharge | 8.61±1.52 | 8.99±1.40 | 0.636 |
| Hematocrit (%) | |||
| Preoperative | 39.26±3.54 | 39.28±2.77 | 0.906 |
| 1st postoperative | 23.76±3.32 | 26.33±4.68 | 0.069 |
| 3rd postoperative | 24.69±4.95 | 26.23±3.98 | 0.677 |
| Discharge | 25.05±4.22 | 26.66±4.43 | 0.409 |
*, Mann-Whitney test.