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Table 2 Characterization of participants

From: Swallowing transit times and valleculae residue in stable chronic obstructive pulmonary disease

Variables COPD mean(SD) Control mean(SD) p-value
Age, years 59(4.1) 59(4.4) 0.880
BMI, Kg/m2 26.8(7.1) 28.5(5.9) 0.090
FEV1 43.3(20.9) 101(11.9) 0.000*
  1. Legend: COPD – chronic obstructive pulmonary disorder; SD – standard deviation; BMI – body mass index; FEV1 - forced expiratory volume during the first second; * - significant results.