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Table 5 Comparison of pre- and postoperative WOMAC score

From: Impingement-free hip range of motion after osteochondroplasty and relative neck lengthening in adults with healed Perthes disease

WOMAC score

Paired t test

 

Range

Mean ± SD

Improvement mean ± SD

P value (significance)

Preoperative

80–94

88.4 ± 3.8

85.12 ± 4.7

< 0.0001 (E S)

Postoperative

0–11

4.6 ± 2.5

  1. SD Standard deviation, ES Extremely significant