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Table 4 The comparison of SI between preoperation and final follow-up in 238 osteoporotic vertebral compression fractures patients

From: Surgical options for symptomatic old osteoporotic vertebral compression fractures: a retrospective study of 238 cases

Time Grade I
(N = 86)
Grade II
(N = 60)
Grade III
(N = 44)
Grade IV
(N = 30)
Grade V
(N = 18)
Preoperation 89.78 ± 2.07 72.82 ± 7.78 75.00 ± 6.66 71.83 ± 5.14 71.72 ± 6.64
Postoperation 12 m 87.42 ± 5.08 a 85.17 ± 5.26 a 87.00 ± 5.01 a 86.12 ± 4.09 a 85.28 ± 4.62 a
Final follow-up 86.90 ± 6.28 a 84.17 ± 5.30 a 85.07 ± 4.43 a 84.50 ± 4.67 a 83.39 ± 4.97 a
  1. SI sagittal index
  2. aCompared with preoperative SI, P < 0.05