Table 2 Comparison of demographic and treatment data between two groups.
From: Effects of preoperative sagittal spinal imbalance on pain after lateral lumbar interbody fusion
Characteristic | Group 1 | Group 2 | p-value‡ |
|---|---|---|---|
SVA (mm), mean (SD) | 129.0 (53.4) | 30.8 (23.5) | |
No. of patients | 30 | 51 | |
Age (years), mean (SD) | 71.1 (9.9) | 69.7 (10.8) | 0.670 |
Sex, n (%) | |||
Male | 16 | 32 | 0.408 |
Female | 14 | 19 | |
Height (cm), mean (SD) | 157.7(9.6) | 159.7 (9.7) | 0.363 |
Body weight (kg), mean (SD) | 60.8 (13.2) | 62.3 (11.6) | 0.588 |
BMI (kg/m2), mean (SD) | 24.2 (3.2) | 24.4 (3.9) | 0.876 |
Number of levels treated, n (mean) | 46 (1.5) | 64 (1.3) | 0.122 |
Average OR time (min) | 118.4 (42.1) | 103.8 (33.0) | 0.153 |
Average Blood loss (ml) | 121.8 (167.3) | 64.8 (71.5) | 0.079 |
CRP on POD1, mean (SD) | 4.5 (3.2) | 2.5 (1.6) | < 0.001* |
Average Length of stay (days) | 15.8 (4.5) | 14.7 (3.9) | 0.279 |
No. of motor weakness (%) | 6 (20.0) | 8 (15.7) | 0.762 |
No. of thigh pain (%) | 7 (23.3) | 9 (17.6) | 0.572 |
Preoperative parameter | |||
CR Cobb (°) | 10.7 (8.7) | 6.3 (5.5) | 0.049* |
LL (°) | 24.3 (16.8) | 40.5 (12.3) | < 0.001* |
TK (°) | 21.8 (11.8) | 22.8 (10.3) | 0.679 |
PI (°) | 50.4 (7.4) | 50.5 (8.8) | 0.969 |
PT (°) | 23.2 (7.8) | 21.5 (7.2) | 0.325 |
SS (°) | 27.2 (8.3) | 29.0 (8.7) | 0.374 |