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Table 2 Quality assessment of the included studies

From: Prognostic value of adiponectin level in patients with coronary artery disease: a systematic review and meta-analysis

Author/YearRepresentativeness of the exposed cohortSelection of the non exposed cohortAscertainment of exposureDemonstration that outcome was not present at study startComparability of cohorts on the basis of the design or analysisAssessment of outcomeEnough follow-up periods (≥ 5 years)Adequacy of follow-up of cohortsTotalNOS
Pilz 2006 [7]8
Shioji 2007 [8] 8
Piestrzeniewicz 2008 [9]  6
Maiolino 2008 [12]8
Huang 2010 [10]  6
Wilson 2011 [13]  7
Beatty 2012 [14] 8
Li 2012 [11] 7
Lindberg 2012 [19]  7
Delhaye 2013 [20] 7
Hascoet 2013 [21] 7
Pratesi 2016 [22]  6
  1. NOS Newcastle-Ottawa Scale