| Anterior Approach (n = 97) | Posterior Approach (n = 48) | p |
Age | 69 (63 - 673.5) years | 71 (67 - 77.5) years | 0.008* |
Gender |
|
| 0.018* |
Feminine Masculine | 44 (45.4%) 53 (59.6%) | 12 (25%) 36 (75%) |
|
Evolution time | 5 (3 - 16) years | 5 (2 - 17) years | 0.823 |
Number of levels | 2 (2 - 2) | 2 (2 - 3) | 0.847 |
Surgical Variables |
|
|
|
Surgical time Bleeding Days of hospitalization | 210 (156 - 240) min 150 (90 - 250) cc 6 (4 - 11) days | 150 (120 - 180) min 200 (100 - 300) cc 5 (4 - 10) days | 0.001* 0.203 0.455 |
Complications | 17 (17.5%) | 5 (10.4%) | 0.261 |