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Table 3 Central vertebral body height of two groups (%)

From: Minimally invasive pedicle screw fixation combined with percutaneous vertebroplasty for preventing secondary fracture after vertebroplasty

Group Preoperative Postoperative 1 month 2 months 3 months 6 months 1 year 2 years
1 43.5 ± 7.6 66.1 ± 7.1 56.4 ± 6.8 56.1 ± 6.9 56.1 ± 6.9 56.1 ± 6.9 56.1 ± 6.9 56.1 ± 6.9
2 43.4 ± 7.4 72.8 ± 6.5 70.6 ± 6.3 69.5 ± 6.7 69.3 ± 6.7 69.3 ± 6.7 69.3 ± 6.7 69.3 ± 6.7
  1. Values are expressed as the mean ± SD. There was significant difference (P < 0.005) after surgery between the two groups. The central height after surgery was significantly higher (P < 0.005) than that of before surgery in two groups. The central height immediately after surgery was significantly higher (P < 0.005) than that of 1 month, 2 months, 3 months, 6 months, 1 year, and 2 years in group 1.