Table 4.

Concurrent validity of IPOS and EORTC QLQ-C15 PAL and FACIT-Sp-12 (T1)

	IPOS Total Score	IPOS Physical Symptoms	IPOS Emotional Symptoms	IPOS Communication/ Practical Issues
EORTC QLQ-C15-PAL
Global health status/QOL	− 0.527**	− 0.400**	− 0.482**	− 0.239
Functional scales
Physical Functioning	− 0.238	− 0.218	− 0.165	− 0.215
Emotional Functioning	− 0.562**	− 0.303*	− 0.660**	− 0.352**
Symptom scales
Dyspnea	0.270*	0.257*	0.197	0.130
Pain	0.556**	0.467**	0.526**	0.145
Insomnia	0.097	0.145	0.086	− 0.096
Fatigue	0.460**	0.446**	0.347**	0.128
Appetite loss	0.403**	0.431**	0.236	0.164
Nausea and Vomiting	0.366**	0.474**	0.120	0.035
Constipation	0.352**	0.417**	0.103	0.095
FACIT-Sp-12
Meaning	− 0.312**	− 0.190	− 0.249*	− 0.312**
Peace	− 0.448**	− 0.292*	− 0.460**	− 0.297*
Faith	− 0.252*	− 0.043	− 0.240	− 0.379**
Total	− 0.399**	− 0.187	− 0.377**	− 0.425**

IPOS, Integrated Palliative Care Outcome Scale; EORTC QLQ-C15-PAL: European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core 15 Palliative Care; FACIT-Sp-12, Functional Assessment of Chronic Illness Therapy-Spiritual Well-Being Scale

Bold values indicate concurrent validity, assessed by moderated correlations (0.4–0.7)

*p < .01, ** p < .001

Note: Results are based on patient data (N = 119)