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Table 1 Associations between sex steroid hormones and the risk of female lung cancer

From: Associations between female lung cancer risk and sex steroid hormones: a systematic review and meta-analysis of the worldwide epidemiological evidence on endogenous and exogenous sex steroid hormones

Variables No. of studies x2 for heterogeneity Model selected OR a (95% CI b) P for OR heterogeneity
Total 48 1249.27 Random 0.90 (0.86, 0.95) < .001
Hormones resource      .190
 Endogenesis 26 679.81 Random 0.92 (0.87, 0.98) < .001
 Exogenesis 36 419.73 Random 0.86 (0.80, 0.93) < .001
Study design      .950
 Retrospective 34 573.55 Random 0.90 (0.85, 0.96) < .001
 Prospective 14 667.58 Random 0.90 (0.81, 1.00) < .001
Publication date      .370
 1987–2007 22 232.66 Random 0.88 (0.82, 0.94) < .001
 2008–2019 26 1016.31 Random 0.92 (0.86, 0.99) < .001
  1. a OR Odds ratio, b CI Confidence interval