BioMed Research International / 2015 / Article / Tab 4

Clinical Study

Zoledronic Acid May Reduce Intraoperative Bleeding in Spinal Tumors: A Prospective Cohort Study

Table 4

Comparison of intraoperative blood loss and surgical approach in 19 patients with multiple myeloma.

Intraoperative blood lossPreoperative zoledronic acid group (group C; )Control group (group D; )

Mean ± SD (volume per milliliter)1994 ± 8103134 ± 7950.007
Range (volume per milliliter)890–32002200–4450
Distribution0.041
 500–1000 mL20
 1001–2000 mL40
 2001–3000 mL35
 ≥3001 mL14
Surgical approach0.510
 Anterior23
 Posterior86
 Combined00