Table 4.

Most common reasons for revision TKA

Diagnosis	Number (%)
996.66 Infection and inflammatory reaction resulting from internal joint prosthesis	342 (25.9)
996.4 Mechanical complication of internal orthopaedic device implant and graft	313 (23.7)
996.77 Other complications resulting from internal joint prosthesis	170 (12.8)
996.42 Dislocation/instability of prosthetic joint	66 (5.0)
736.6 Other acquired deformities of knee	65 (4.9)
996.47 Other mechanical complication of prosthetic joint implant	47 (3.6)
996.41 Mechanical loosening of prosthetic joint	42 (3.2)
996.43 Broken prosthetic joint implant	41 (3.1)
996.67 Infection and inflammatory reaction resulting from other internal orthopaedic device, implant, and graft	26 (2.0)
996.78 Other complications resulting from other internal orthopaedic device, implant, and graft	26 (2.0)
996.49 Other mechanical complication of other internal orthopaedic device, implant, and graft	25 (1.9)