Skip to main content

Table 2 Lung function characteristics of the total sample and by gender

From: Association between air flow limitation and body composition in young adults

  Total sample Male Female p value
Number 83/100 40/48.19 43/51.81
FVC (L) 4.46 ± 0.94 5.21 ± 0.69 3.76 ± 0.52 < 0.0001t
FEV1 (L/s) 3.81 ± 0.78 4.43 ± 0.58 3.24 ± 0.44 < 0.0001MW
FEF 25–75% (L/s) 4.08 ± 1.00 4.66 ± 1.00 3.54 ± 0.65 < 0.0001MW
PEF (L/s) 8.01 ± 1.88 9.53 ± 1.36 6.60 ± 0.97 < 0.0001MW
SVC (L) 4.06 ± 0.89 4.70 ± 0.72 3.47 ± 0.56 < 0.0001t
ERV (L) 1.33 ± 0.43 1.55 ± 0.45 1.12 ± 0.30 < 0.0001t
IC (L) 2.72 ± 0.75 3.14 ± 0.76 2.33 ± 0.47 < 0.0001t
RV (L) 1.92 ± 0.71 2.26 ± 0.79 1.60 ± 0.44 < 0.0001t
TLC (L) 5.89 ± 1.40 6.79 ± 1.39 5.05 ± 0.72 < 0.0001MW
MIP (-cmH2O) 100.92 ± 33.91 118.82 ± 33.94 84.30 ± 24.27 < 0.0001t
MEP (cmH2O) 100.84 ± 27.99 114.85 ± 25.95 87.91 ± 23.42 < 0.0001t
Raw (cmH2O/L/s) 0.98 ± 0.49 0.81 ± 0.44 1.14 ± 0.48 0.0006MW
sRaw (cmH2O*s) 3.28 ± 1.25 3.17 ± 1.29 3.38 ± 1.20 0.238MW
GAW (L/s/cmH2O) 2.45 ± 10.41 1.57 ± 0.71 1.05 ± 0.51 0.0005MW
sGAW (1/cmH2O*s) 0.09 ± 0.01 0.37 ± 0.13 0.34 ± 0.15 0.164MW
  1. FVC forced vital capacity, FEV1 volume that has been exhaled at the end of the first second of forced expiration, FEF25–75 forced expiratory flow 25–75%, PEF peak expiratory flow, MIP maximum inspiratory pressure, cmH2O centimeters of water, MEP maximum expiratory pressure, IC inspiratory capacity, ERV expiratory reserve volume, RV residual volume, TLC total lung capacity, RAW airway resistance, GAW airway conductance, sRAW specific airway resistance, sGAW specific airway conductance, cmH2O/L/s centimeters of water divided liters divided seconds, L/s/cmH2O liters divided seconds divided centimeters of water, cmH2O*s centimeters of water per second, 1/cmH2O*s one divided centimeters of water per second, MW Mann-Whitney, t t Student