Fig. 1From: Validation of the Critical-Care Pain Observation Tool-Neuro in brain-injured adults in the intensive care unit: a prospective cohort studyParticipant flow diagram—Canadian sites. aPatients were video recorded in Montreal sites only. *67 from the American site for a total of 226 participants in the first data set. **39 from the American site for a total of 87 participants in the second data setBack to article page