Evaluation of the performance of algorithms mapping EORTC QLQ-C30 onto the EQ-5D index in a metastatic colorectal cancer cost-effectiveness model

Table 3 Regression results for model 1: EQ-5D-3L based utility values on QLQ-C30 domain scores

Variable	Coefficient (SD)	t-value	p-value	95% CI
Constant	0.2993 (0.027)	10.940	< 0.001	[0.246, 0.353]
Physical functioning	0.0021 (0.000)	7.949	< 0.001	[0.002, 0.003]
Role functioning	0.0011 (0.000)	5.738	< 0.001	[0.001, 0.001]
Emotional functioning	0.0025 (0.000)	10.901	< 0.001	[0.002, 0.003]
Cognitive functioning	0.0005 (0.000)	2.279	0.023	[0.000, 0.001]
Social functioning	0.0006 (0.000)	2.814	0.005	[0.000, 0.001]
Symptom scale: Pain	−0.0023 (0.000)	−13.519	< 0.001	[− 0.003, − 0.002]
Symptom scale: Insomnia	− 0.0005 (0.000)	−3.166	0.002	[− 0.001, 0.000]

ISSN: 1477-7525