rhBMP-7PRP Number of patients60 Gender (Male/Female)32 / 2835 / 25 Age (years,median + range)44 (19-65)*41 (21-62)* Nicotine use %33.3%28.3% Open fracture at injury4 1 grade II 2 grade IIIa 1 grade IIIb 5 1 grade I 1 grade II 2 grade IIIa 1 grade IIIb Duration of non-union (months, median ± SD ) 20,2±2,3519,2±2,86 Number of previous surgeries (median + range) 2 (1-5) Prior autograft implementation 23/60 (38,3%)21/60 (35%) G.M.