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Table 11 Standardized mean difference between women and men for lung function parameters

From: Gender and respiratory findings in workers occupationally exposed to organic aerosols: A meta analysis of 12 cross-sectional studies

  Food Processing Textile Industry Farming Industry
Lung Function Parameters Standardized Mean Difference Confidence Interval Standardized Mean Difference Confidence Interval Standardized Mean Difference Confidence Interval
FEF25 0.0322 (-) 0.1219 – 0.1863 0.2479 0.0643 – 0.4315+ 0.0105 (-) 0.1294 – 0.1505
FEF50 0.0583 (-) 0.0959 – 0.2125 0.2171 0.0336 – 0.4005+ (-) 0.0287 (-) 0.1687 – 0.1113
FEV1 0.1524 (-) 0.0022 – 0.3070 * * * *
FVC * * 0.2787 0.0951 – 0.4624+ * *
A FEF25 * * 0.2954 0.1117 – 0.4792+ NO DATA
A FEF50 0.0015 (-) 0.1528 – 0.1557 0.1290 (-) 0.0541 – 0.3121   
A FEV1 * * * *   
A FVC * * * *   
  1. A = Across shift change
  2. * Not homogeneous cannot combine differences across industries
  3. + Significant standardized mean differences