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Table 3 The radiographic assessment of pre and post PAO

From: Development of a novel customized cutting and rotating template for Bernese periacetabular osteotomy

  LCEA ACEA AAVA AASA PASA
New developed PAO
 Preoperative (°) 10 ± 5 33 ± 7 23 ± 2 42 ± 4 88 ± 3
 Planned (°) 30 ± 2 53 ± 3 20 ± 1 59 ± 2 85 ± 3
 Postoperative (°) 31 ± 2 54 ± 2 19 ± 1 58 ± 2 85 ± 3
 Deviation (%) 4 ± 1 3 ± 3 4 ± 3 3 ± 2 1 ± 1
Conventional PAO
 Preoperative (°) 8 ± 4 32 ± 5 22 ± 2 42 ± 4 88 ± 2
 Planned (°) 30 ± 2 54 ± 4 19 ± 1 58 ± 3 85 ± 2
 Postoperative (°) 31 ± 3 56 ± 7 20 ± 3 59 ± 5 81 ± 3
 Deviation (%) 7 ± 2 10 ± 4* 13 ± 8* 8 ± 2 * 6 ± 2*
  1. Values are expressed as mean ± standard deviation. The deviation between planned value and postoperative value was calculated as the Formula: Deviation (%) = | (postoperative value − planned value)/planed value | × 100. *p < 0.01 compared with values in the new developed PAO group