Table 1.

Diagnoses

Diagnosis of painful TKR	Number of patients
No cause diagnosed	9
Degenerative lumbar spine	8
Hip osteoarthritis	7
Deep infection (two stage revision)	6
Spontaneous resolution	3
Malposition	2
Neuropathy	2
Oversizing of femoral component	2
Rheumatoid arthritis	2
Tight lateral retinaculum	2
MCL tear	1
Loosening	1

MCL medial collateral ligament