Table 4: Categorical Treatment Responses After Exercise Challenge at Week 4

FSC 100/50 FP 100
<10% Fall in FEV1
Number of subjects 65 56
Maximum fall in FEV1 post-exercise, % -4.5 ± 0.49 -4.2 ± 0.46
10% to <20% Fall in FEV1
Number of subjects 23 26
Maximum fall in FEV1 post-exercise, % -14.0 ± 0.57 -14.0 ± 0.55
≥20% Fall in FEV1
Number of subjects 12 19
Maximum fall in FEV1 post-exercise, % -31.5 ± 2.97 -27.2 ± 2.37

Maximum fall in FEV1 post-exercise data expressed as mean ± standard error of the mean.