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Table 1 General information of the subjects included in the study

From: Study on the outcome of patients with aseptic femoral head necrosis treated with percutaneous multiple small-diameter drilling core decompression: a retrospective cohort study based on magnetic resonance imaging and equivalent sphere model analysis

General information

Number

Gender

 Male

18 (24 hips)

 Female

6 (8 hips)

Average age (years)

47.1 ± 10.3 (20–62)

Pathogeny

 AFHN

8 (10 hips)

 SIFHN

6 (8 hips)

 IFHN

10 (14 hips)

Stage

 Ia

4

 Ib

6

 Ic

4

 IIa

4

 IIb

4

 IIc

10

Follow-up time (months)

25.9 ± 15.0 (9.0–55.0)

  1. AFHN alcoholic femoral head necrosis, SIFHN steroid-induced femoral head necrosis, IFHN idiopathic femoral head necrosis
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X