Table 4.

MICs for hip and knee replacement patients – impact on the patient sample

Pre-operative EQ-VAS subgroups	EQ-5D-3L mean change	Unstratified MIC	% achieving unstratified MIC	Stratified MIC	% achieving stratified MIC
Hip replacement
0 to 34	0.617	0.071	90%	0.184	85%
35 to 55	0.48	0.071	86%	0.102	85%
56 to 72	0.41	0.071	84%	0.021	89%
73 to 86	0.405	0.071	86%	0.044	89%
87 to 100	0.417	0.071	88%	0.053	90%
Knee replacement
0 to 36	0.449	0.046	80%	0.147	72%
37 to 56	0.358	0.046	74%	0.075	73%
57 to 72	0.309	0.046	73%	0.026	81%
73 to 86	0.301	0.046	74%	0.017	80%
87 to 100	0.312	0.046	76%	0.014	81%

MIC = minimal important change