Fig. 2From: Survival of children with rare structural congenital anomalies: a multi-registry cohort studyFive-year survival estimates (with 95% Confidence Intervals (CI)) by registry (birth year period: 1995–2014) and the I2 statistic as a measure of the observed between-registry heterogeneity calculated by a random effect meta-analysis on eight rare CAs with at least 500 liveborn cases. d = days; w = week, m = months, y = yearsBack to article page