9.3 units respectively) but this failed to reach statistical significance (P=0.5775).
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Blood loss in total <i>en bloc</i> spondylectomy for primary spinal bone tumours: a comparison of estimated blood loss versus actual blood loss in a single centre over 10 years.
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0.5775
0.5775
The sentences
A trend towards significance was found for number of levels instrumented, with a P value of 0.067 ( Figure 3A ).