Group 1 (Interspinous) | Group 2 (Fusion) | p-value | |
---|---|---|---|
Total Number (n = 67) | 31 | 36 | |
Demographics | |||
Agea | 38.2 (±9.3) | 41.2 (±7.4) | 0.144 |
Femaleb | 13 (41.9%) | 19 (52.8%) | 0.376 |
BMIa | 26.1 (±3.6) | 26.5 (±3.8) | 0.566 |
Smokingb | 13 (41.9%) | 13 (36.1%) | 0.625 |
Charlson comorbidity index scoringb | |||
CCI = 0 | 25 (80.6%) | 30 (83.3%) | 0.775 |
CCI ≥ 1 | 6 (19.4%) | 6 (16.7%) | |
Instrumented levelsb | |||
1 level | 25 (80.6%) | 18 (50%) | 0.009 |
2 levels | 6 (19.4%) | 18 (50%) |