Figure - PMC

Skip to main content

View full-text article in PMC

. Author manuscript; available in PMC: 2013 Dec 1.

Published in final edited form as: J Pediatr. 2012 Jun 28;161(6):1126–1131.e2. doi: 10.1016/j.jpeds.2012.05.050

a Receiver-Operating Characteristic curve

b Predictive probabilities for adverse event

A, Logistic regression was used to evaluate the cutoff at 8 cm/s of initial tricuspid Em velocity for prediction of adverse events including death, hospitalization, and lung transplantation. This Receiver-Operating Characteristic curve corresponded to a c-index (area under the curve) of 0.83. The cutoff value of 8 cm/s corresponds to a sensitivity of 75% and a specificity of 87%. B, Plot of the relationship between the continuous predictor and the probability of the adverse event is displayed. The circles correspond to the observed outcomes (0 - did not have an adverse event, 1 - adverse event). As the value for tricuspid Em velocity increases, the risk of having an event decreases.

a Receiver-Operating Characteristic curve

b Predictive probabilities for adverse event

A, Logistic regression was used to evaluate the cutoff at 8 cm/s of initial tricuspid Em velocity for prediction of adverse events including death, hospitalization, and lung transplantation. This Receiver-Operating Characteristic curve corresponded to a c-index (area under the curve) of 0.83. The cutoff value of 8 cm/s corresponds to a sensitivity of 75% and a specificity of 87%. B, Plot of the relationship between the continuous predictor and the probability of the adverse event is displayed. The circles correspond to the observed outcomes (0 - did not have an adverse event, 1 - adverse event). As the value for tricuspid Em velocity increases, the risk of having an event decreases.