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Table 2 Intraclass Correlation Coefficients (ICC) and 95% Confidence Intervals (CI) (Lower-Upper Bound) of Test-Retest Reliability

From: Psychometric validation of the Polish version of the Central Sensitization Inventory in subjects with chronic spinal pain

Item ICC 95% CI
1 0.83 0.773 to 0.874
2 0.837 0.782 to 0.879
3 0.91 0.876 to 0.935
4 0.879 0.837 to 0.911
5 0.88 0.838 to 0.911
6 0.828 0.77 to 0.872
7 0.814 0.752 to 0.861
8 0.785 0.716 to 0.839
9 0.788 0.719 to 0.842
10 0.828 0.77 to 0.872
11 0.753 0.674 to 0.814
12 0.879 0.837 to 0.911
13 0.861 0.813 to 0.897
14 0.804 0.74 to 0.854
15 0.878 0.835 to 0.91
16 0.801 0.735 to 0.851
17 0.742 0.661 to 0.806
18 0.736 0.654 to 0.801
19 0.843 0.79 to 0.884
20 0.886 0.846 to 0.916
21 0.884 0.843 to 0.914
22 0.833 0.775 to 0.877
23 0.874 0.83 to 0.907
24 0.87 0.826 to 0.904
25 0.82 0.759 to 0.866
F1a 0.943 0.922 to 0.958
F2b 0.95 0.931 to 0.964
F3c 0.934 0.911 to 0.952
F4d 0.897 0.86 to 0.925
Total CSI-Pol score 0.96 0.945 to 0.971
  1. aPhysical symptoms loadings. bEmotional distress loadings. cHeadache/jaw symptoms loadings. dUrological symptoms loadings. CSI-Pol Polish version of the Central Sensitization Inventory