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Table 3 Pulmonary function among firefighters and non-firefighters

From: Pulmonary function decline in firefighters and non-firefighters in South Korea

Variables Firefighters (n = 322) Non-firefighters (n = 107) p
Variable Mean SD Mean SD p
2008      
  FEV1* (%) 102.00 12.75 101.32 13.32 0.664
  FVC (%) 95.35 10.63 96.50 11.83 0.382
  FEV1/FVC% 82.29 5.34 81.08 6.24 0.053
2011      
  FEV1 (%) 95.48 11.28 98.73 12.77 0.021
  FVC (%) 90.27 9.28 93.68 10.26 0.003
  FEV1/FVC% 80.52 5.64 80.35 6.47 0.791
  1. *FEV1 Forced expiratory volume in 1 s.
  2. FVC Forced vital capacity.