TABLE 1.
Comparison of preoperative demographics between the two group.
| Whole group (n = 32) | Iliac bone group (n = 16) | n-HA/PA66 group (n = 16) | t/χ2 | p-value | |
|---|---|---|---|---|---|
| Age, years | 42.66 ± 11.99 | 43.50 ± 12.64 | 41.81 ± 11.65 | −0.393 | 0.697 |
| Gender, % | 0.500 | 0.480 | |||
| Male | 16 (50.00%) | 9 (56.25%) | 7 (43.75%) | ||
| Female | 16 (50.00%) | 7 (43.75%) | 9 (56.25%) | ||
| Surgical levels, % | 1.000 | 0.607 | |||
| Thoracic | 14 (43.75%) | 7 (43.75%) | 7 (43.75%) | ||
| Thoracolumbar | 12 (37.50%) | 5 (31.25%) | 7 (43.75%) | ||
| Lumbar | 6 (18.75%) | 4 (25.00%) | 2 (12.50%) | ||
| Operation time, min | 192.97 ± 48.77 | 188.75 ± 53.65 | 197.19 ± 44.72 | 0.483 | 0.632 |
| Blood loss, ml | 427.19 ± 112.31 | 431.88 ± 120.68 | 422.50 ± 107.05 | −0.232 | 0.818 |
| Duration of follow-up, months | 45.03 ± 8.00 | 44.50 ± 8.29 | 45.56 ± 7.94 | 0.408 | 0.714 |