Table 3.

Interrelationships between the scores of PSQI, CES-DC, FS-C and PedsQL among the survivors aged 6–12 years (n = 204) and survivors aged 13–18 years (n = 198)

Survivors aged 6–12 years (n = 204)
	Global PSQI	CES-DC	FS-C	PedsQL
Global PSQI	–	0.57**	0.60**	−0.43**
CES-DC	0.57**	–	0.55**	−0.32**
FS-C	0.60**	0.55**	–	−0.31**
PedsQL	−0.43**	−0.32**	−0.31**	–

Survivors aged 13–18 years (n = 198)
	Global PSQI	CES−DC	FS−A	PedsQL
Global PSQI	–	0.64**	0.27**	−0.45**
CES-DC	0.64**	–	0.32**	−0.57**
FS-A	0.27**	0.32**	–	−0.37**
PedsQL	−0.45**	−0.57**	−0.37**	–

CES-DC, Center for Epidemiologic Studies Depression Scale for Children; FS-A, Fatigue Scale-Adolescent; FS-C, Fatigue Scale-Child; PedsQL, Pediatric Quality of Life Inventory; PSQI, Pittsburgh Sleep Quality Index

**p value < 0.01