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Table 1 Basic characteristic of the patient participants

From: Dynamic evolution of osseous structure in osteonecrosis of the femoral head and dynamic collapse risks: a preliminary CT image study

Characteristic

Amount (%) of patients, n = 50

Age, years, mean (SD)

38.12 (10.14)

Gender

 Male

28 (56)

 Female

22 (44)

Etiology

 Alcohol

18 (36)

 Corticosteroid

21 (42)

 Idiopathic

11 (22)

 Kerboul’s angle, degree, mean (SD)

285.24 (36.40)

ARCO classification

 II

29 (58)

 IIIa

21 (42)

 Disease duration, months, mean (SD)

17.52 (10.84)

  1. SD standard deviation
  2. *Unless stated otherwise