Table 5.

Rasch statistics of the Palliative Care Outcome Scale (POS)-E measure

Item		Rasch analysis statistics
		Residual	X-square	p value
1	Pain	0.452	5.586	0.694
2	Other symptoms	–0.424	11.073	0.198
3	Anxiety	–2.090	20.088	0.010
4	Family anxiety	1.221	11.423	0.179
7	Depression	0.247	10.893	0.208
8	Feeling good	1.084	6.422	0.600
10	Practical matters	2.951	9.339	0.315
Overall model statistics		Total item X-square = 74.825; p = 0.0472
		Person-separation index: 0.678