Fig. 2From: Acute exacerbation of fibrotic hypersensitivity pneumonitis: incidence and outcomesSurvival from the initial diagnosis in patients with AE, no-AE RD, and no RD. Patients with AE showed a significantly poorer survival than those with no-AE RD or with no RD. AE acute exacerbation, RD rapid deteriorationBack to article page