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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.