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Table 2 The clinical assessment of new developed PAO and conventional PAO

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

Parameters

New developed PAO

Conventional PAO

p value

Duration of operation (min)

102 ± 7 (92 to 110)

117 ± 19 (93 to 148)

< 0.01

Bleeding volume (ml)

695 ± 119 (623 to 833)

545 ± 81 (415 to 710)

0.0617

Irradiation times (NO)

4 ± 1 (3 to 6)

7 ± 2 (5 to 10)

< 0.01

Harris hip score

 Preoperative

66 ± 5 (61 to 77)

67 ± 5 (61 to 78)

0.4118

 Last follow-up

94 ± 2 (92 to 97)

91 ± 1 (90 to 94)

< 0.01

 Improvement

27 ± 4 (19 to 34)

24 ± 5 (12 to 30)

< 0.01

Visual analogue scale

 Preoperative

3.2 ± 0.6 (2.5 to 4.5)

3.0 ± 0.4 (2.6 to 3.6)

0.1586

 Last follow-up

1.0 ± 0.8 (0 to 2.6)

1.3 ± 0.9 (0 to 2.8)

0.2531

 Improvement

2.1 ± 1.0 (0.2 to 3.8)

1.7 ± 1.1 (0 to 2.9)

< 0.01

  1. Values are expressed as mean ± standard deviation with range in parentheses