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Table 6 The outcome of case series studies

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

Year/author Clinical evaluation Clinical evaluation based on the Ficat stage classification (mean difference/clinical success rate) Radiographic evaluation (radiographic failure rate) Complications/rate of complications
Mean differencea (scale used) Clinical success rateb I II III IV
2016/Chen [24] 31.06 (HHS) 79.68% 32.22/90.47% 31.2/77.14% 26.13/62.50% NA NA
2014/Elmali [25] 30.8 (HHS) 69.23% NA NA 34.62% II (36.36%) III (33.33%) 2 patients suffering from obesity with serious drainage for 1 week 2/22 (9.09%)
2009/Babhulkar [28] 28.19 (HHS) 58.06% 29.88/62.50% 27.61/56.5% 6.45% Superficial infection at the operative site (1 patient) 3.22%
2009/Chen [26] 8.92 (HHS) NA NA 100% NA
2009/Baksi [27] 4.06 (HSS) 85.79% 1/100% 4.8/92% 3.6/80.4% 9.65% Superficial wound infection (9 hips), terminal limitation of hip movements (20), persistence of painless limp (16) 25.57%
2006/Zhao [29] 38 (HHS) 86.28% NA/96% NA/90% NA/57% 28.76% Deep venous thromboses (4 patients), meralgia paresthetica (3), secondary wound healing (9) 8.12%
2004/Nagoya [30] 17.35 (JOA) NA NA NA NA Damage of cutaneus femoris lateralis nerve (10 patients) 34.48%
2001/Eisenschenk [31] NA (HHS) 86.6% NA NA NA 48.89% Deep thrombosis of the femoral vein (2 patients), damage of cutaneus femoris lateralis nerve (7), abdominal weakness without evidence of hernia (5), secondary wound healing (2) 16/82 (19.51%)
1997/Hasegawa [33] 21 (HHS) 63.33% NA NA NA Secondary wound healing (3 hips), damage of cutaneus femoris lateralis nerve (8) 36.67%
1997/Ishizaka [32] 2.2 (Merle d’Aubigne and Postel score) 77% NA NA 48.38% NA
1996/Leung [35] 5.06 (Charnley hip scoring system) 77.78% NA NA NA
1996/Wassenaar [34] 28 (HHS) NA NA NA NA 41.66% NA
1993/Iwata [36] 9.7 (JOA) NA NA 12.46/NA 3.34/NA 34.78% Secondary wound healing (2 hips), damage of cutaneus femoris lateralis nerve (5) 30.43%
  1. NA not available, HHS Harris hip score, HSS Hip rating system of the Hospital for Special Surgery, JOA Japan Orthopaedic Association hip score
  2. aThe mean difference was defined as the difference between the mean score of pre-operation and final follow-up
  3. bClinical success was defined as the Harris score ≥ 80 (Merle d’Aubigne and Postel score ≥ 15, Charnley hip score ≥ 15, HSS ≥ 24)