From: Single posterior approach for circumferential decompression and anterior reconstruction using cervical trabecular metal mesh cage in patients with metastatic spinal tumour
Case
Blood loss (ml)
Operative time (min)
Macnab criteria
Initial 10 cases
1575.0 ± 446.7a
300.5 ± 41.8a
Gb
Last 10 cases
1045.0 ± 217.9a
230.5 ± 47.6a
P value
0.007
0.005
0.654