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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
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