Table 3: Two year survival rate for surgical treatment options in hip ON.

Treatment option Two-year survival rate (%) Author
Core decompression 74 Rajagopal, et al. [16]
Core decompression with allograft 81 Wei, et al. [17]
Core decompression with autograft 78 Keizer, et al. [18]
Core decompression with vascularized autograft 67 Berend, et al. [19]
Rotational osteotomy 92 Biswal, et al. [20]