Mean Operative Time, Blood Loss, and Length of Hospital Stay in the Total Disc Replacement (TDR) and Fusion Groups
| TDR | Fusion | |
|---|---|---|
| Operative time, minutes | 75.5 | 232.3 |
| Estimated blood loss, mL | 81.4 | 200.0 |
| Hospital stay, days | 2.05 | 3.33 |
Note. P < .01 (t test) for all comparisons.