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Table 1 Stratified Harris Hip Score before and after implantation of bone marrow-derived mononuclear cells

From: Efficacy of autologous stem cell-based therapy for osteonecrosis of the femoral head in sickle cell disease: a five-year follow-up study

  Mean Harris Hip Score (mean and range)
Ficat and Arlet stage (n = patients) Preoperative Final follow-up P value
Stage 0 (n = 20) 77.9 (66–86) 94.0 (90–98) 0.0009
Stage I (n = 31) 76.3 (68–87) 96.8 (94–100) 0.0003
Stage IIA (n = 16) 71.8 (64–88) 92.0 (90–96) 0.028
Stage IIB (n = 22) 70.9 (54–88) 89.6 (84–92) 0.013
Total (n = 89) 75.7 (54–92) 93.1 (88–100) 0.0005