Skip to main content

Table 2 VAS scores before and after the operation

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

  Preoperative 6 months after the operation End of follow-up
Stage
 Phase I 5.0 ± 0.8 2.0 ± 0.8** 0.4 ± 0.5**
 Phase II 5.1 ± 0.7 2.8 ± 0.8** 5.1 ± 2.9
Pathogeny
 AFHN 4.8 ± 0.8 1.8 ± 0.8** 0.2 ± 0.4**
 SIFHN 5.25 ± 0.9 3.25 ± 0.9** 7.25 ± 0.9**
 IFHN 5.1 ± 0.7 2.4 ± 0.5** 2.7 ± 2.6*
Total 5.1 ± 0.8 2.4 ± 0.9** 3.1 ± 3.2*
  1. AFHN alcoholic femoral head necrosis, SIFHN steroid-induced femoral head necrosis, IFHN idiopathic femoral head necrosis
  2. *P < 0.05; **P < 0.01