Methods for additional analyses (e.g., subgroup analyses) {20b}
PEx
SECONDARY
The pre-specified strata for primary and secondary analyses for the PEx cohort are:ppFEVppFEVppFEVppFEVThe number of strata within PEx cohort may be prospectively updated, depending on the impact of such decisions on precision. Other subgroup analyses may be performed and will be reported as post hoc.