From: Surgical outcomes after instrumented lumbar surgery in patients of eighty years of age and older
Solid fusion N = 53 | Not solid fusion N = 19 | P value | |
---|---|---|---|
Sex (M:F) | 21:32 | 7:12 | 0.831 |
OP age (years) | 82.5 ± 2.5 | 82.3 ± 3.0 | 0.786 |
BMI | 25.0 ± 3.5 | 26.1 ± 2.6 | 0.189 |
Pre-op VAS (back) | 6.3 ± 2.7 | 6.2 ± 2.3 | 0.938 |
Final VAS (back) | 2.5 ± 2.5 | 2.0 ± 2.0 | 0.356 |
Pre-op VAS (leg) | 5.5 ± 3.1 | 4.4 ± 2.9 | 0.188 |
Final VAS (leg) | 2.0 ± 2.7 | 1.7 ± 2.2 | 0.705 |
Pre-op ODI | 62.5 ± 9.0 | 59.7 ± 8.9 | 0.554 |
Final ODI | 30.0 ± 12.4 | 29.8 ± 10.9 | 0.979 |
ODI difference (final - pre-op) | 32.6 ± 13.1 | 29.9 ± 11.2 | 0.689 |
ODI improvement (%) | 0.5 ± 0.4 | 0.5 ± 0.3 | 0.612 |
Primary : secondary surgery | 46:7 | 17:2 | 0.762 |
Complication (yes : no) | 7:46 | 1:18 | 0.344 |
Instrumented segment | 2.0 ± 0.94 | 3.0 ± 1.8 | 0.003 |
Op time (minutes) | 194.4 ± 51.0 | 211.9 ± 60.7 | 0.226 |
Blood loss (ml) | 714.3 ± 530.9 | 1012.1 ± 804.2 | 0.074 |
CCI | 1.6 ± 1.6 | 2.3 ± 2.2 | 0.127 |