Table 3.
Basic Preoperative Data of the Two Groups
| Items | A group (n=38) | B group (n=67) | X²/t | P |
|---|---|---|---|---|
Age ( ±s) |
74.02±6.31 | 70.02±17.11 | 32.731 | 0.090 |
| Sex(n) Male/Female | 17/21 | 34/33 | 0.351 | 0.554 |
BMI ( ±s, kg/m2) |
24.48±4.20 | 23.16±3.50 | 1.853 | 0.087 |
| Tuberculosis site(n) | 1.411 | 0.703 | ||
| Thoracic vertebra | 0 | 2 | ||
| Thoracolumbar | 1 | 3 | ||
| lumbar vertebra | 31 | 52 | ||
| Lumbosacrum | 6 | 10 | ||
| Cardiovascular and cerebrovascular(n) | 18 | 33 | 0.035 | 0.853 |
| Respiratory system(n) | 12 | 27 | 0.790 | 0.374 |
| Endocrine system(n) | 18 | 32 | 0.001 | 0.969 |
| Metabolic diseases(n) | 7 | 18 | 0.953 | 0.329 |
| History of tuberculosis(n) | 12 | 27 | 0.790 | 0.374 |
| Erythrocyte sedimentation Rate | 49.26±22.77 | 46.28±20.24 | 0.058 | 0.490 |
| C-reactive protein | 36.43±42.87 | 30.99±34.52 | 4.255 | 0.479 |
| Procalcitonin | 0.28±0.09 | 0.43±1.20 | 1.300 | 0.452 |
| D-Dimer (mg/L) | 1.62±0.85 | 1.35±1.85 | 2.670 | 0.394 |
| Neutrophil to Lymphocyte ratio | 47.00±21.22 | 49.41±20.17 | 0.609 | 0.565 |
| Hemoglobin (g/L) | 122.15±17.02 | 129.14±20.33 | 0.238 | 0.076 |
| Total protein (g/L) | 47.44±18.89 | 42.25±11.87 | 22.530 | 0.132 |
| Preoperative lumbar VAS score (score) | 7.73±1.36 | 7.32±1.41 | 1.162 | 0.154 |
| Preoperative lumbar ODI score (%) | 66.26±8.92 | 68.56±9.75 | 0.067 | 0.233 |
| Preoperative spinal Cobb angle (°) | 15.03±0.83 | 15.04±0.84 | 0.077 | 0.989 |
Notes: The continuous value was given as the mean and the standard deviation. BMI Body mass index=weight/height2.
Abbreviations: VAS, visual analogue scale; ODI, oswestry disability index.

