Investigating the cost-effectiveness of videotelephone based support for newly diagnosed paediatric oncology patients and their families: design of a randomised controlled trial

Table 2 Published evidence available on the SF-12 health-related quality of life instrument.

Context	n	Details	Mean	SD
The impact of paediatric tracheotomy on parental caregiver burden and health status (US)[39]	154	PCS-12 MCS-12	50.5 35.8	11.3 11.4
US Norms[31]	7069	General US population
		PCS-12	49.63	9.91
		MCS-12	49.37	9.75
		Depression
		PCS-12	45.55	11.71
		MCS-12	37.40	10.76

ISSN: 1472-6963