BioMed Research International / 2015 / Article / Tab 2

Clinical Study

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

Table 2

Baseline characteristics in 19 patients with multiple myelomaa.

CharacteristicPreoperative zoledronic acid group (group C; )Control group (group D; )

Sex0.876
 Men76
 Women33
Age (y)0.283
 Mean ± SD63.8 ± 4.561.7 ± 3.7
 Range55–7057–67
Preoperative Frankel score0.322
 A00
 B20
 C24
 D42
 E23
Number of spinal metastases0.498
 Single45
 Multiple64
Tumor location0.795
 Cervical23
 Thoracic54
 Lumbar32

SD: standard deviation.
aThe Student’s -test was used for continuous variables, and chi-square analysis was used for categorical variables.