Likert-scale agreement ratings regarding the use of extubation readiness parameters by pediatric critical care physicians. Likert-scale agreement ratings regarding the use of extubation readiness parameters by pediatric critical care physicians. There is a statistically significant difference in the responses: P < .001 via the Friedman 2-way analysis of variance by rank. P0.1 = airway-occlusion pressure 0.1 s after the start of inspiratory flow. Maroun J Mhanna et al. Respir Care 2014;59:334-339 (c) 2012 by Daedalus Enterprises, Inc.