Table 6.

Intercorrelations of subscales of the Pediatric Quality of Life Inventory™ Generic Core Scales and Cardiac Module assessed with Pearson correlation coefficient

	Cardiac module
	Heart-problems-symptoms	Treatment II	Perc. Phys. appearance	Treatment anxiety	Cognitive problems	Communication
Generic core scales
Child Self-report
Total	0.544	0.27	0.45	0.39	0.58	0.46
Physical functioning	0.63	0.29	0.35	0.34	0.46	0.401
Psychosocial functioning	0.41	0.23	0.45	0.37	0.58	0.44
Emotional functioning	0.38	0.24	0.43	0.38	0.47	0.38
Social functioning	0.35	0.13	0.38	0.27	0.45	0.41
School functioning	0.32	0.27	0.35	0.30	0.57	0.34
Parent Proxy-report
Total	0.57	0.47	0.40	0.35	0.57	0.45
Physical functioning	0.66	0.33	0.34	0.29	0.43	0.36
Psychosocial functioning	0.43	0.49	0.38	0.34	0.58	0.45
Emotional functioning	0.33	0.45	0.39	0.37	0.41	0.38
Social functioning	0.32	0.37	0.28	0.24	0.44	0.37
School functioning	0.41	0.43	0.26	0.22	0.60	0.37

Effect sizes are designated as small (0.10), medium (0.30) and large (0.50)