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Table 8 The evaluation of hip survival

From: Vascularized pedicle iliac bone grafts as a hip-preserving surgery for femur head necrosis: a systematic review

Study Rate of convention to arthroplasty (arthroplasty/total hips) Method of report in original studies Survival rate (based on the definition in original studies) Definition of hip-preservation failure in individual study Survival rate based on stage
2016/Zhaoa [21] 0% NA NA NA NA
2016/Chen [24] 14.06% (9/64) Survival curve 81.25% The collapse of the femoral head was larger than 4 mm, with significant osteoarthritis; or hip replacement NA
2014/Elmali [25] 19.23% (5/26) Reported cases of arthroplasty NA NA NA
2009/Chen [26] 75.76% (25/33) Survival curve 24.24% Conversion to replacement arthroplasty ARCO IIIB, 0% ARCO IIIA, 30.77%
2009/Babhulkar [28] 3.23% (1/31) Reported cases of arthroplasty NA NA NA
2009/Baksi [27] Fail to recalculate Survival curve 83.97% Radiological deterioration, resulting in the reduction of the clinical HSS score to below 20, requiring subsequent operative intervention Ficat II, 91% Ficat III, 82%
2006/Yenb [22] 10.26% (4/39) Reported cases of arthroplasty 10.26% Conversion to replacement arthroplasty Steinberg III, 75% Steinberg IV, 93.75%
2006/Zhao [29] 6.19% (14/226) Reported cases of arthroplasty 93.81% Conversion to replacement arthroplasty NA
2004/Nagoya [30] NA NA NA NA NA
2003/Hasegawab [23] 6.45% (2/31) Survival curve 5Y, 85% 10Y, 67% The development of symptoms requiring arthroplasty or a Harris hip score of less than 70 points as the endpoint NA
2001/Eisenschenk [31] 8.89% (8/90) Reported cases of arthroplasty NA NA NA
1997/Hasegawa [33] 3.23% (1/31) Survival curve Satuation 1: 3Y, 70%; 5Y, 60% satuation 2: 3Y, 60%; 5Y, 50% Satuation 1: overall clinical score of less than 70 points or conversion to an endoprosthesis satuation 2: radiographic stage further than stage III-B (collapse by more than 5 mm) NA
1997/Ishizaka [32] 9.68% (3/31) Reported cases of arthroplasty NA NA NA
1996/Leung [35] 4.76% (1/21) Reported cases of arthroplasty NA NA NA
1996/Wassenaar [34] 8.33% (1/12) Reported cases of arthroplasty NA NA NA
1993/Iwata [36] 4.35% (1/23) Reported cases of arthroplasty NA NA NA
  1. NA not available
  2. aThe evaluation combined two groups
  3. bThe evaluation of the VPIBG group