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Table 3 Intraclass correlation coefficients of scores obtained on first and second visits in test/re-test (patients n = 307)

From: Validation of a core outcome measure for palliative care in Africa: the APCA African Palliative Outcome Scale

Item/Total ICC (single measures) Confidence interval (95%) P Excluded
Q1 pain* 0.785 0.737-0.824 0.001 0.3% (N = 1)
Q2 symptoms* 0.775 0.726-0.816 0.001 0.3% (N = 1)
Q3 worry* 0.824 0.784-0.857 0.001 0.3% (N = 1)
Q4 able to share 0.765 0.715-0.808 0.001 0.3% (N = 1)
Q5 life worthwhile 0.812 0.770-0.847 0.001 0.3% (N = 1)
Q6 at peace 0.777 0.728-0.818 0.001 0.3% (N = 1)
Q7 help and advice 0.815 0.773-0.849 0.001 0.3% (N = 1)
Q8 family info 0.882 0.847-0.909 0.001 35.2% (N = 108)
Q9 family confidence 0.831 0.783-0.870 0.001 35.2% (N = 108)
Q10 family worry* 0.857 0.815-0.890 0.001 35.2% (N = 108)
Total POS score* 0.892 0.859-0.917 0.001 35.2% (N = 108)
Total POS patient items only (Q1-Q7)* 0.876 0.847-0.899 0.001 0.3% (N = 1)
  1. * POS items transformed so that for all items high scores indicated better patient status.