Table 3 Clinical outcome of patients with different ARCO stage and risk factor
From: High-energy extracorporeal shock wave therapy for nontraumatic osteonecrosis of the femoral head
Before ESWT | Final follow-up | P value | |
|---|---|---|---|
Total | |||
Harris hip score | 77.4 ± 15.1 | 86.9 ± 13.7 | < 0.001 |
VAS | 3.8 ± 2.6 | 2.2 ± 2.4 | < 0.001 |
ARCO stage | |||
ARCO stage I | |||
Harris hip score | 84.9 ± 12.4 | 96.6 ± 4.0 | 0.033 |
VAS | 2.9 ± 2.2 | 0.5 ± 0.8 | 0.015 |
ARCO stage II | |||
Harris hip score | 80.2 ± 14.1 | 88.9 ± 11.9 | 0.005 |
VAS | 3.3 ± 2.6 | 1.8 ± 2.1 | 0.008 |
ARCO stage III | |||
Harris hip score | 59.9 ± 6.7 | 70.2 ± 12.7 | 0.083 |
VAS | 6.5 ± 0.9 | 4.9 ± 2.5 | 0.155 |
Risk factor | |||
Corticosteroid | |||
Harris hip score | 79.8 ± 15.5 | 87.2 ± 12.9 | 0.020 |
VAS | 3.5 ± 2.7 | 2.4 ± 2.5 | 0.063 |
Alcoholic | |||
Harris hip score | 72.0 ± 19.0 | 78.4 ± 15.8 | 0.198 |
VAS | 4.4 ± 2.8 | 3.4 ± 2.5 | 0.201 |
Idiopathic | |||
Harris hip score | 76.5 ± 10.3 | 93.3 ± 10.9 | 0.001 |
VAS | 4.0 ± 2.1 | 0.7 ± 0.8 | < 0.001 |