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Table 3 Changes of radiological and clinical outcomes between the RA and control groups

From: Radiological and clinical outcomes of balloon kyphoplasty for osteoporotic vertebral compression fracture in patients with rheumatoid arthritis

Variable RA group Control group P value
Radiological outcomes
 Changes of compression rate (%) 11.56 ± 3.8% 7.02 ± 3.1% < 0.05
 Changes of local kyphotic angle (°) 3.77 ± 1.9 3.09 ± 1.6 < 0.05
Clinical outcomes
 Changes of VAS 5.78 ± 0.72 5.92 ± 0.58 0.517
 Changes of ODI 53.81 ± 6.52 58.65 ± 7.13 0.194
  1. Values are given as mean ± SD. VAS indicates visual analog scale, ODI indicates Oswestry disability index. Changes of compression rate and local kyphotic angle showed the difference of compression rate and local kyphotic angle between preoperation and 1-year follow-up; Changes of VAS and ODI showed the difference in visual analog scale and Oswestry disability index between preoperation and 1-year follow-up