Table 1.

Characteristics of the included studies on IBR and adjuvant chemotherapy

	Year of publication	Research period	Country	Typea	Center	Patient recruitment (and extra data source)
Alderman [16]	2010	1997–2003	USA	RCS	Multi	Prospectively maintained database
Allweis [17]	2002	1996–2000	USA	RCS	Single	Hospital tumor registry (and medical records)
Chang [18]	2013	2003–2009	Australia	RCS	Single	Prospectively maintained database
Eriksenb [19]	2011	1990–2004	Sweden	RMCS	Single	Prospectively maintained database
Hamahatab [20]	2013	2006–2011	Japan	RCS	Single	Medical records
Kahnb [21]	2013	2008–2011	UK	RCS	Single	Prospectively maintained database (and medical records)
Lee [22]	2011	2008–2010	Korea	RCS	Single	Institutional electronic patient database and medical records
Mortensonb [23]	2004	1995–2002	USA	RCS	Single	Medical records
Newman [24]	1999	1990–1993	USA	RCS	Single	Prospectively maintained database
Reyb [25]	2005	1999–2002	Italy	RCS	Single	?
Taylor [26]	2004	1999–2002	UK	RCS	Single	Regional tumor registry
Vandergriftb [27]	2013	2003–2009	USA	RCS	Multi	Prospectively maintained database (and medical records)
Wilson [28]	2004	1995–2000	UK	RCS	Single	Database (and the case notes crosschecked with the pharmacy records)
Zhongb [7]	2012	2007–2010	Canada	RCS	Single	Prospectively maintained database

IBR immediate breast reconstruction

^a RCS retrospective cohort study; RMCS retrospective matched cohort study

^bAdditional information about this paper was required through correspondence with the authors