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Table 1 Demographic and clinical characteristics at baseline

From: Extracorporeal shock wave therapy for bone marrow edema syndrome in patients with osteonecrosis of the femoral head: a retrospective cohort study

Variable

ESWT group

Age, years

48.6 ± 11.2 (range, 25–73)

Male/female, n

24/43

ARCO stage, n

 I

10

 II

33

 III

24

Etiology, n

 Hormonal agent

25

 Alcohol

11

 Trauma

23

 Idiopathic

8

Duration of follow-up, months

3

  1. ESWT extracorporeal shockwave therapy, ARCO Association Research Circulation Osseous