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. 2021 Apr 28;22:130. doi: 10.1186/s12931-021-01706-y

Fig. 2.

Fig. 2

Rate ratio for on-treatment exacerbations by quartile. a Moderate; b moderate/severe; c severe. Rate ratio (FF/UMEC/VI vs dual therapies) for on-treatment exacerbations by Week 16 fibrinogen quartile. Quartile 1, fibrinogen value < 25th percentile; Quartile 2, fibrinogen value > 25th percentile and < median; Quartile 3, fibrinogen value ≥ median and < 75th percentile; Quartile 4, fibrinogen value ≥ 75th percentile. CI confidence interval; FF fluticasone furoate; n number of patients in the analysis in each subgroup; UMEC umeclidinium; VI vilanterol