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Table 3 Clinical and radiologic indicators between groups

From: Creation of a planned or central-clefted puncture combined with a second puncture during vertebroplasty to treat osteoporotic vertebral compression fractures with large clefts

  Group A Group B P
VAS
 Preoperative 7.11 ± 0.75 7.05 ± 1.05  
 Postoperative 2 days 2.72 ± 0.46 2.90 ± 0.64 0.534*
 Postoperative 6 months 2.72 ± 0.89 4.00 ± 1.45 0.044**
KA (°)
 Preoperative 23.82 ± 6.26 21.69 ± 10.25  
 Postoperative 2 days 15.55 ± 5.56 16.48 ± 6.89 0.158*
 Postoperative 6 months 18.26 ± 5.30 22.52 ± 8.23 0.024**
CR (%)
 Preoperative 60.44 ± 11.52 61.88 ± 14.67  
 Postoperative 2 days 90.40 ± 13.60 85.62 ± 13.57 0.088*
 Postoperative 6 months 82.01 ± 10.76 68.49 ± 12.44 0.029**
  1. VAS Visual analog scale, KA Kyphotic angle, CR Compression ratio
  2. *Preoperative vs. postoperative day 2
  3. **The postoperative day 2 vs. postoperative 6 months