Fig. 1From: Improving early audiological intervention via newborn hearing screening in BelgiumMedian age (P25-P75 under brackets) according to birth cohort (2006–2011) and region. X-axis: group size according to region. F: Flanders; WB: Wallonia-Brussels; P-values: * < 0.05; ** < 0.01; *** < 0.001Back to article page