Correlations also were observed between the deltas (prethoracentesis 3 postthoracentesis) of the 6-min walk test and the percentage of FVC ( r 5 0.450) and of FEV 1 ( r 5 0.472) divided by the volume of fluid removed ( P , .05).
Correlations also were observed between the deltas(prethoracentesis 3 postthoracentesis) of the 6-min walk test and the percentage of FVC ( r 5 0.450)and of FEV 1 ( r 5 0.472) divided by the volume of fluid removed ( P , .05).