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Table 2 Comparison of lung function parameters according to clinical presentation.

From: Cardiac asthma in elderly patients: incidence, clinical presentation and outcome

  Classical CPE Cardiac asthma
  N = 41 N = 26
FVC (L) 1.77 ± 0.56 1.60 ± 0.73
FVC (% predicted) 67 ± 24 65 ± 26
FEV 1 (L) 1.33 ± 0,5 1.09 ± 0,49*
FEV 1 (% predicted) 65 ± 23 58 ± 27
FEV 1 /FVC ratio (%) 71.2 ± 15.6 66.9 ± 14
FEV 1 /FVC (% predicted) 96 ± 21 90 ± 21
PEF (L/min) 172 (119 – 238) 146 (100 – 206)
PEF (% predicted) 47 (31 – 64) 40 (30 – 55)
FEF 25–75 (L/s) 0.99 (0.68–1.77) 0.76 (0.38–1.10)*
FEF 25–75 (% predicted) 48 (24–73) 32 (18–51)*
  1. Data are mean ± SD, median (interquartile 25–75%); FVC: forced vital capacity, FEV: Forced Expiratory Volume In 1 Second, FEF25–75: forced expiratory flow at 25% to 75% of vital capacity; PEF rate: peak expiratory flow; *p < 0.05.