Figure 1From: A pilot trial on safety and efficacy of erythrocyte-mediated steroid treatment in CF patientsComparison of FEV1 z-scores in treated and untreatedpatients over time. Continuous lines represent the average z-score ofFEV1 by month. Dotted lines represent the interpolation of the z-scores by linear regression. Comparison of the two groups through general linear model repeated-measures. ANOVA yielded a P value = 0.04.Back to article page