Fig. 3From: Bronchoalveolar lavage lymphocytosis in hypersensitivity pneumonitis: a retrospective cohort analysis with elimination of incorporation biasKaplan–Meier comparison of survival between f-HP with BAL lymphocytosis ≥ 30% versus < 30% at presentation (Log rank = 0.034; BAL lymphocytosis ≥ 30% median survival: 262 months, BAL lymphocytosis < 30% median survival: > 70 months)Back to article page