Table 3

Performance of the combined models

	Combined A-models			Combined B-models
	Absolute agreement between model prediction and actual survival	Linear-weighted κ	p Value comparing κ scores with PiPS/OR	Absolute agreement between model prediction and actual survival	Linear-weighted κ	p Value comparing κ scores with PiPS/OR
PiPS/OR	57.3%	0.441	–	57.3%	0.373	–
PiPS/PR	51.5%	0.215	<0.001^*	55.3%	0.314	0.013^‡
PiPS/CM	56.8%	0.420	0.227^†	57.8%	0.388	0.789^§

↵* N=745.
↵† N=954.
↵‡ N=594.
↵§ N=638.
PiPS, Prognosis in Palliative care Scale; PiPS/CM, PiPS composite-scoring model; PiPS/OR, PiPS observer-rated model; PiPS/PR, PiPS patient-rated model.