Table 2. Inter and intra-examiner reproducibility and internal consistency of Michigan Hand Outcomes Questionnaire domains.

Domain	A1 Mean ± SD	A2 Mean ± SD	R2 Mean ± SD	ICC A1XA2	ICC A2XR2	Cronbach’s alpha
RH function	52.2 ± 19.0	53.3 ± 21.5	55.3 ± 24.8	0.915	0.863	0.908
LH function	54.2 ± 24.0	54.7 ± 24.9	54.7 ± 23.0	0.908	0.875	0.941
RH ADL	73.3 ± 21.2	73.5 ± 20.8	72.5 ± 25.1	0.901	0.611	0.871
LH ADL	72.2 ± 26.3	71.0 ± 26.2	66.5 ± 28.7	0.841	0.783	0.939
BH ADL	62.5 ± 27.6	62.1 ± 27.5	63.9 ± 24.1	0.967	0.818	0.930
Work	46.0 ± 29.3	46.8 ± 25.8	45.0 ± 29.2	0.918	0.753	0.969
RH pain	49.2 ± 25.3	47.0 ± 27.1	48.7 ± 29.6	0.929	0.885	0.908
LH pain	47.8 ± 30.8	41.5 ± 32.7	47.7 ± 30.6	0.944	0.826	0.941
RH esthetics	44.0 ± 26.8	44.6 ± 29.0	43.5 ± 31.6	0.929	0.921	0.864
LH esthetics	48.8 ± 31.2	48.8 ± 33.1	45.4 ± 34.0	0.919	0.905	0.925
RH satisfaction	44.2 ± 29.3	44.2 ± 29.8	47.4 ± 30.0	0.883	0.786	0.940
LH satisfaction	47.8 ± 32.0	49.9 ± 34.4	44.3 ± 33.0	0.937	0.876	0.939

^A1= first evaluation

A1XA2 := inter-rater evaluation

^A2 = second evaluation

A2XR2 := intra-rater evaluation

^ADL = activities of daily living

^BH = both hands

^ICC= intraclass correlation

^LH = left hand

^R2 = re-evaluation

^RH = right hand

^SD = standard deviation