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Table 5 Number of subjects with disturbance per disease (when resistance or specific conductance is already disturbed) stratified over total number of disturbed lung function parameters indicative of obstruction

From: Airways resistance and specific conductance for the diagnosis of obstructive airways diseases

Disturbance RAW (>150 %pred.) N = 204 (=31 %) RAW (>173 %pred.) N = 162 (=25 %) sGAW (<50 %pred.) N = 61 (=12 %) sGAW (<74 %pred.) N = 133 (=26 %)
  Asthma (N = 112) COPD (N = 92) Asthma (N = 85) COPD (N = 77) Asthma (N = 16) COPD (N = 45) Asthma (N = 55) COPD (N = 78)
0 28 1 18 0 0 0 5 0
1 27 7 23 6 4 0 12 3
2 25 12 19 11 2 2 12 8
3 20 11 16 7 5 4 16 7
4 9 32 6 26 4 19 9 29
5 3 29 3 27 1 20 1 31
  1. Some patients excluded from analysis due to missing measurement data. Proportions observed in a group of all subjects with obstructive diseases. Included parameters: FEV1/FVC, MMEF, RV, TLC and FRC