Fig. 1From: Epidemiological profile and obstetric outcomes of patients with peripartum congestive heart failure in Taiwan: a retrospective nationwide studyFlow chart of the creation of the study sample. Description of data: We defined peripartum congestive heart failure (PCHF) as newly developed and diagnosed CHF (ICD-9-CM code: 428.0–428.21) between 1 month before and 5 months after delivery. Women with a history of CHF or an onset of CHF beyond the peripartum period were excludedBack to article page