Fig. 6From: Development and validation of a nomogram to predict plastic bronchitis in children with refractory Mycoplasma pneumoniae pneumoniaDecision curve analysis for the PB risk nomogram. The y-axis measured the net benefit. The black solid line represented the assumption that all patients had no PB. The gray solid line represented the assumption that all patients had PB. A From the development cohort and B from the validation cohortBack to article page