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Table 4 Mean results of the VAS score and the Karnofsky performance score in patients before and after surgery, and after different treatment methods

From: Oncological and functional results of the surgical treatment of vertebral metastases in patients with multiple myeloma”

Treatment option VAS score Karnofsky score
Preoperative Postoperative Preoperative Postoperative
Patients after vertebroplasty N = 73 5,3 (±1.8) 1,4 (±0.9)* 60 (±7.9) 80 (±5.6)*
Patients after stabilization N = 56 8.1 (±0.6) 4.4 (±1.1)* 54 (±9.8) 59 (±12.2)
Anterior stabilization N = 4 7.5 (±1.2) 4.7 (±1.0) 52 (±8.0) 58 (±9.2)
Posterior stabilization N = 44 8.0 (±0.4) 4.1 (±0.6)* 56 (±5.5) 62 (±5.5)
Combine stabilization N = 8 9.2 (±1.6) 4.5 (±0.9)* 49 (±11) 55 (±10)
Vertebroplasty vs. Stabilization p = <0.05 p = <0.05 NS p = <0.05
  1. Results are presented as a mean ± standard deviation
  2. * p < 0.05