Overall (n = 87/85) | 55 ± 16 | 42 ± 19 | 0.0001 |
Age > 59 (n = 32/32) | 53 ± 15 | 36 ± 20 | 0.001 |
Age ≤ 59 (n = 55/53) | 56 ± 16 | 45 ± 18 | 0.05 |
Previous Surgery (n = 31/31) | 60 ± 17 | 48 ± 20 | 0.05 |
No Previous Surgery (n = 56/54) | 52 ± 14 | 38 ± 18 | 0.001 |
Tobacco Use (n = 29/29) | 57 ± 16 | 46 ± 16 | 0.05 |
No Tobacco Use (n = 58/56) | 54 ± 16 | 40 ± 21 | 0.001 |
BMI > 30 (n = 41/40) | 51 ± 14 | 39 ± 18 | 0.01 |
BMI ≤ 30 (n = 46/45) | 58 ± 17 | 45 ± 20 | 0.01 |
L5-S1 Included in Construct (n = 45/44) | 54 ± 16 | 44 ± 18 | 0.05 |
L5-S1 not Included in Construct (n = 42/41) | 56 ± 16 | 40 ± 21 | 0.001 |
Posterior Approach (n = 65/63) | 55 ± 15 | 41 ± 19 | 0.0001 |
Anterior Approach (n = 22/22) | 55 ± 18 | 44 ± 21 | 0.001 |
Pseudarthrosis Repair (n = 8/8) | 56 ± 13 | 51 ± 13 | > 0.05 |