Surgical Data
| Demographics | Arthroplasty | Fusion | ||||
|---|---|---|---|---|---|---|
| Prior Surgery | Discectomy | No Prior Surgery | Prior Surgery | Discectomy | No Prior Surgery | |
| N | 37 | 21 | 53 | 12 | 6 | 31 |
| Total Surgery Time (Min) | ||||||
| Mean (Std) | 97.5 (29.44) | 95.6 (29.42) | 115.6 (53.69) | 106.3 (66.58) | 81.8 (29.14) | 128.2 (66.23) |
| Median | 88 | 87 | 99 | 74 | 67.5 | 115 |
| Min, Max | 56, 175 | 56, 175 | 45, 250 | 55, 248 | 62, 137 | 60, 355 |
| Estimated Blood Loss (cc) | ||||||
| Mean (Std) | 158.3 (143.3) | 145.2 (124.65) | 248.7 (277.81) | 251.6 (440.72) | 341.5 (618.46) | 186.0 (169.19) |
| Median | 100 | 100 | 150 | 75 | 99.5 | 150 |
| Min, Max | 50, 600 | 50, 500 | 25, 1500 | 50, 1600 | 50, 1600 | 20, 700 |
| Duration of Hospital Stay | ||||||
| Mean (Std) | 3.7 (0.97) | 3.8(1.22) | 3.7(.86) | 4.3(2.50) | 3.5(0.55) | 4.3(1.47) |
| Median | 4 | 4 | 4 | 4 | 3.5 | 4 |
| Min, Max | 1, 6 | 1, 6 | 2, 6 | 3, 12 | 3, 4 | 2, 8 |