Examining End-of-Life Case Management: Systematic Review

Table 2

Assessments of risk of bias in included studies, according to Newcastle-Ottawa scale.

Study	Selection				Comparability		Outcome
Author and date	Representativeness of exposed cohort	Selection of nonexposed cohort	Assessment of outcome	Ascertainment of exposure	Demonstration outcome of interest not present in study start	Study controls for age	Study controls for any additional factor	Follow-up long enough for outcomes to occur	Adequacy of follow-up of cohorts
Back et al. (2005) [29]	*	*	*	*	*		*	*	*
Head et al. (2010) [31]	*	*	*	*	*		*	*	a
Pfeifer et al. (2006) [40]			*	*			*	*	*
Seow et al. (2008) [30]	*	*	*	*		*	*	*	*
Spettell et al. (2009) [32]	*	*	*	*	*	*	*	*	*
Twyman and Libbus (1994) [33]	*	*	*	*	*	*	*	*	*

 ^aOnly 35 of the 68 patients consented to participate in the research project.
Case study: Head and Cantrell (2009), case study of one individual [36].