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Table 5 Local kyphosis 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 18.1 ± 3.9 11.3 ± 3.8 14.8 ± 3.9 15.1 ± 3.8 15.1 ± 3.9 15.1 ± 3.9 15.1 ± 3.9 15.1 ± 3.9
2 18.2 ± 3.9 7.3 ± 3.2 7.9 ± 3.2 7.9 ± 3.2 8.0 ± 3.2 8.0 ± 3.2 8.0 ± 3.2 8.0 ± 3.2
  1. Values are expressed as the mean ± SD. There was significant difference (P < 0.005) after surgery between the two groups. The Cobb angle after surgery was significantly less than that before surgery in group 1 (P < 0.05) and group 2 (P < 0.005). The Cobb angle immediately after surgery was significantly less (P < 0.005) than that of 1 month, 2 months, 3 months, 6 months, 1 year, and 2 years in group 1.