From: A comparison of leg length and femoral offset discrepancies in hip resurfacing, large head metal-on- metal and conventional total hip replacement: a case series
MOM
LHM
THR
Mean
Intra-observer error
Leg length
0.95
0.97
Femoral offset
0.82
0.87
0.93
0.88
Inter-observer error
0.83
0.85
0.78
0.94