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Table 4 Reliability of the pilot scale

From: Validity and reliability of a pilot scale for assessment of multiple system atrophy symptoms

Items Intra-rater Inter-rater
  ICC Cronbach α ICC Cronbach α
1. Handwriting 0.774 0.941 0.772 0.945
2. Finger taps 0.771 0.954 0.457 0.961
3. Transfers 0.891 0.930 0.881 0.938
4. Standing with feet together 0.876 0.930 0.827 0.935
5. Turning trunk 0.836 0.927 0.732 0.937
6. Turning 360 degree 0.917 0.931 0.861 0.938
7.Gait 0.954 0.933 0.916 0.940
8. Body sway 0.909 0.977 0.920 0.935
8 items total 0.970 0.942 0.959 0.949
7 items (excluded item 1) total 0.972 0.941 0.952 0.945
7 items (excluded item 2) total 0.966 0.954 0.958 0.961
7 items (excluded item 5) total 0.973 0.927 0.966 0.937
6 items (excluded item 1 & 2) total 0.967 0.958 0.949 0.962
6 items (excluded item 1 & 5) total 0.973 0.923 0.961 0.929
6 items (excluded item 2 & 5) total 0.971 0.942 0.968 0.952
5 items (excluded item 1, 2 & 5) total 0.969 0.947 0.962 0.953
  1. ICC intraclass correlation coefficient