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Table 2 Newcastle-Ottawa Scale (NOS) assessment of the quality of the studies

From: Efficacy and safety of mineralocorticoid receptor antagonists for patients with heart failure and diabetes mellitus: a systematic review and meta-analysis

  Selection Comparability Outcome Score
Study 1 2 3 4 5a 5b 6 7 8  
O’Keefe, et al (2008) [29] 9
Eschalier, et al (2013) [30] 6
Vaduganathan, et al (2014) [31] 9
Khosraviani, et al (2014) [32] 5
  1. Notes: 1 indicates exposed cohort truly representative, 2 the non exposed cohort drawn from the same community, 3 ascertainment of exposure by secure record or structured interview, 4 outcome of interest was not present at start of study, 5A cohorts comparable on basis of sex and age, 5B cohorts comparable on other factor(s), 6 quality of outcome assessment, 7 follow-up long enough for outcomes to occur, and 8 complete follow up, yes, no