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Table 2 Pre- and postoperative patient VAS scores (lumbar and leg) and Modified Frankel classification

From: Factors affecting postoperative mortality of patients with insufficient union following osteoporotic vertebral fractures and impact of preoperative serum albumin on mortality

  Preoperative 1 year after surgery p-value
VAS score (lumbar) 7.4 ± 3.4 5.8 ± 3.8 < 0.05*
VAS score (leg) 6.7 ± 2.8 3.4 ± 2.1 < 0.05*
Modified Frankel classification (A/B/C/D/E) 0/0/44/39/22 0/0/28/42/31 < 0.05
  1. *Mean ± standard deviation, unless otherwise indicated
  2. *P < 0.05 in the comparison between groups
  3. p value for Fisher’s exact test for Modified Frankel classification C versus D or E
  4. VAS visual analog scale