Patient Engagement as an Emerging Challenge for Healthcare Services: Mapping the Literature

Table 2

Number of publications by year and by discipline.

Discipline	Number of publications per year											Total
	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012 *	𝑁
Medicine	3	4	5	6	8	12	14	13	24	39	[ 29]	128 [ 150]
Nursing	2	1	1	2	2	3	3	5	6	4	[ 6]	29 [ 35]
Psychology	0	5	5	2	2	1	1	0	1	1	[ 1]	20 [ 21]
Social science/health policies	0	2	1	2	2	4	4	2	2	8	[ 3]	8 [ 11]

∗2012 is reported but not considered to discuss the findings as data are related only to the period from January 2012 to June 2012. The amount of contributions including 2012 is reported in square brackets.