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Table 6 The caudal angle in female patients with ADS compared with that reported in the previous literature

From: Second sacral sacralalar‐iliac (S2AI) screw placement in adult degenerative scoliosis (ADS) patients: an imaging study

  Sample size Total(°) Left(°) Right(°) t valuea P valuea
Current study 25 27.56 ± 6.61 27.68 ± 6.30 27.44 ± 7.71 − −
Yamada etc. [19] 40 − 33.40 ± 6.40 33.90 ± 6.60 left: 3.53;right: 3.60 < 0.001
Zhu etc. [20] 30 − 34.50 ± 6.56 35.72 ± 7.53 left: 3.91;right: 4.02 < 0.001
Yuan etc. [21] 25 35.11 ± 7.03 − − 3.91 < 0.001
Wang etc. [22] 30 34.16 ± 6.02 − − 4.14 < 0.001
  1. aThe statistical values are the data in each literature compared with the corresponding data in this study, the same below
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