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Table 1 Description of group populations of test subjects.

From: Classification of voluntary cough sound and airflow patterns for detecting abnormal pulmonary function

  Normal
Male (n = 27)*
Lung Disease Male (n = 31)** Normal Female (n = 25)*** Lung Disease Female (n = 29)**
Age (years) 51.19 ± 16.71 58.48 ± 9.88 52.12 ± 16.73 56.31 ± 14.53
Height (cm) 177 ± 10 173 ± 7.0 160 ± 7.0 160 ± 7.0
Weight (kg) 93.30 ± 20.02 88.48 ± 30.16 83.29 ± 27.13 76.8 ± 22.52
Smoking History     
Never 9 3 13 8
Former 15 19 9 14
Current 3 9 3 7
FEV1 % Predicted     
   (>79) % 27 1 24 4
   (60-79) % 0 15 0 13
   (40-59) % 0 12 0 8
   (<40) % 0 2 0 3
FVC % Predicted     
   (>79) % 26 16 23 11
   (60-79) % 0 12 0 9
   (40-59) % 0 2 0 6
   (<40) % 0 0 0 2
FEV1/FVC % Predicted     
   (>88) % 23 9 23 14
   (70-88) % 3 6 0 10
   (60-69) % 0 8 0 0
   (40-59) % 0 6 0 3
   (<40) % 0 1 0 1
  1. * One subject in this group was evaluated without a FVC measurement.
  2. ** One subject in each group of these two groups was diagnosed without spirometry.
  3. *** One subject in this group was evaluated without a FVC measurement and one was evaluated without spirometry measurements.