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Table 4 Mean between-treatment differences up to 4 years in pre-bronchodilator IC, SVC, FEV 6 , and FVC

From: Longitudinal inspiratory capacity changes in chronic obstructive pulmonary disease

 

1 Year

2 Years

3 Years

4 Years

IC (SE)

103 (17)

107 (18)

98 (19)

97 (20)

SVC (SE)

176 (13)

167 (14)

166 (15)

150 (16)

FEV6 (SE)

159 (9)

149 (10)

161 (11)

131 (12)

FVCa (SE)

198 (13)

189 (14)

200 (15)

170 (16)

  1. aData from FVC previously published [13].
  2. Abbreviations: FEV6, forced expiratory volume in 6 seconds; FVC, forced vital capacity; IC, inspiratory capacity; SE, standard error; SVC, slow vital capacity.