A novel child-centred core palliative care outcome measure for use in clinical practice and research: findings from a multinational validation study

Table 4 Correlations of PedsQL and C-POS subscale summary scores for discriminant validity

PedsQL summary scores	C-POS subscale scores	Spearman’s correlation (proxy version)	Spearman’s correlation (self-report version)
Total PedsQL score	C-POS patient items	0.308	0.117
PedsQL Physical health summary score	Sum- C-POS (Pain) + (other problems)	0.291	0.029
PedsQL Psychosocial health summary score	Sum C-POS (felt happy) + Q6(felt like playing) + Q (questions about illness)	0.256	0.133

C-POS items –includes 6 patient items, we excluded one item (questions answered because of the high number of missing values)

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