A Comparison of the Modified Score for the Assessment of Chronic Rheumatoid Affections of the Hands and the Australian/Canadian Osteoarthritis Hand Index in Hand Osteoarthritis Patients

Table 6

Principal component analysis of the M-SACRAH items. Rotated component matrix (item loading).

Question	Component 1	Component 2	Component 3
M-SACRAH 1	0.53	0.003	0.949
M-SACRAH 2	0.602	0.511	0.41
M-SACRAH 3	0.687	0.328	0.237
M-SACRAH 4	0.785	0.246	0.002
M-SACRAH 5	0.648	0.364	0.031
M-SACRAH 6	0.686	0.383	0.328
M-SACRAH 7	0.845	−0.048	−0.022
M-SACRAH 8	0.765	−0.016	−0.024
M-SACRAH 9	0.186	0.808	0.051
M-SACRAH 10	0.201	0.790	−0.061
M-SACRAH 11	0.496	0.587	0.134
M-SACRAH 12	−0.20	0.888	0.044

Extraction method: principal component analysis.Rotation method: varimax with Kaiser normalization.The backgroud indicates questions loading on the same factor.