Table 2 Analysis between “satisfied” and “dis-satisfied” patients
From: Surgical outcomes after instrumented lumbar surgery in patients of eighty years of age and older
Satisfied group N = 43 | Dis-satisfied group N = 29 | P value | |
|---|---|---|---|
Sex (M:F) | 16:27 | 12:17 | 0.722 |
Op age (years) | 82.4 ± 2.5 | 82.6 ± 2.9 | 0.739 |
BMI | 25.0 ± 3.2 | 25.9 ± 3.4 | 0.262 |
Pre-op VAS (back) | 6.1 ± 2.4 | 6.4 ± 2.8 | 0.657 |
Final VAS (back) | 1.4 ± 1.6 | 3.9 ± 2.5 | <0.001 |
Pre-op VAS (leg) | 4.9 ± 2.9 | 5.7 ± 3.3 | 0.259 |
Final VAS (leg) | 0.8 ± 1.4 | 3.6 ± 3.0 | <0.001 |
Pre-op ODI | 60.6 ± 9.1 | 63.5 ± 8.7 | 0.500 |
Final ODI | 15.0 ± 6.0 | 52.1 ± 9.6 | <0.001 |
ODI difference | 45.9 ± 10.3 | 11.4 ± 7.5 | <0.001 |
Solid fusion (yes : no) | 33:10 | 20:9 | 0.463 |
Primary: secondary surgery | 38:5 | 25:4 | 0.785 |
Complication (yes : no) | 2:41 | 7:22 | 0.014 |
Instrumented segment | 2.0 ± 0.9 | 2.6 ± 1.7 | 0.053 |
Op time (minutes) | 188.8 ± 45.0 | 214.1 ± 62.6 | 0.049 |
Blood loss (ml) | 718.6 ± 572.8 | 903.1 ± 685.7 | 0.220 |
CCI | 1.7 ± 1.8 | 1.8 ± 1.4 | 0.834 |