BioMed Research International

Review Article

Breast Cancer Risk in Rheumatoid Arthritis: An Update Meta-Analysis

Table 2

Quality assessment of included studies.
Study Whether the American College of Rheumatology
(ACR) or not		SelectionComparabilityOutcomeTotal awarded
 stars
1 Representativeness of
the exposed cohort		2 Selection of the
nonexposed cohort		3 Ascertainment
of exposure		4 Demonstration
that outcome of
interest was not
present at start of study		1 Comparability of cohorts
on the basis of
the design or analysis		1 Assessment of outcome2 Was follow-up
long enough for
outcomes to occur?		3 Adequacy
of follow-up
of cohorts (<20%)
Mercer et al., (2013) [5]NA★★★NA★★★NA6
Infante-Rivard et al., (2012) [12]NANA★★NA★★★NA6
Yamada et al., (2011) [6]Y★NA★NA★★★NA7
Chen et al., (2011) [7]Y★★★★★★★NA7
Parikh-Patel et al., (2009) [13]NANA★★★★★★NA6
Abásolo et al., (2008) [14]Y★★★NA★★★★7
Hemminki et al., (2008) [15]NA★★★★★★★NA6
Buchbinder et al., (2008) [16]Y★★★NA★★★NA6
Wolfe and Michaud (2007) [17]NA★★★NA★★NANA5
Setoguchi et al., (2006) [18]NA★★★NA★★★NA6
Askling et al., (2005) [19]NA★★★NA★★★NA7
Thomas et al., (2000) [20]NA★★★NA★★★★7
Cibere et al., (1997) [21]NA★★★NA★★★NA5
Mellemkjær et al., (1996) [22]NA★★★NA★★★★7
Moritomo et al., (1995) [23]NA★★★NA★★★NA6
Gridley et al., (1993) [24]NA★★★★★★★NA6
NA: not available.
Y: yes.
★: available.