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Table 1 General characteristics of studies included in meta-analysis

From: Prognostic role of neutrophil-to-lymphocyte ratio in aortic disease: a meta-analysis of observational studies

References Time Study design Country Sample size Mean age (year) Gender, M/F Patients Experiment group Control group NOS (stars/ scores)
Ikenaga H [13] 2014 Case-control Japan 172 70.2 ± 9.7 130/42 Aortic aneurysm Aortic aneurysm group Control group 6
King AH [14] 2020 Retrospective cohort USA 108 75.5 ± 8.5 7830 Aortic aneurysm High NLR Low NLR 9
Vuruskan E [15] 2016 Case-control Turkey 219 70.2 ± 11.8 155/64 Aortic aneurysm Aortic aneurysm group Control group 7
Oz K [16] 2017 Retrospective cohort Turkey 57 54.6 ± 10.3 9/48 Aortic dissection deceased survived 8
Onuk T [17] 2015 Retrospective cohort Turkey 200 58 ± 12.7 133/67 Aortic dissection deceased survived 8
Bedel C [18] 2020 Retrospective cohort Turkey 96 63.7 ± 13.6 78/18 Aortic dissection deceased survived 8
Karakoyun S [19] 2015 Retrospective cohort Turkey 35 55.9 ± 7.6 28/9 Aortic dissection deceased survived 8
Lafci G [20] 2014 Retrospective cohort Turkey 104 55.3 ± 13.5 76/28 Aortic dissection deceased survived 8
Appleton ND [21] 2014 Retrospective cohort United Kingdom 350 72.9 ± 7.9 175/75 Aortic aneurysm High NLR Low NLR 9
Aurelian SV [15] 2019 Retrospective cohort France 255 68.3 ± 7.6 230/25 Aortic aneurysm High NLR Low NLR 8
Bath J [23] 2019 Retrospective cohort USA 1908 72.2 1458/450 Aortic aneurysm High NLR Low NLR 7
Kordzadeh A [24] 2015 Retrospective cohort United Kingdom 80 75 66/14 Aortic aneurysm High NLR Low NLR 8
Lareyre F [25] 2018 Retrospective cohort France 75 71 57/16 Aortic aneurysm High NLR Low NLR 8
Kalkan ME [26] 2015 cross-sectional study Turkey 184 53.1 ± 11.4 134/50 Aortic dissection High NLR Low NLR 10
  1. M Male, F Female, NOS Newcastle-Ottawa Scale, NLR Neutrophil-to-lymphocyte ratio