Fig. 2From: Sequential use of midazolam and dexmedetomidine for long-term sedation may reduce weaning time in selected critically ill, mechanically ventilated patients: a randomized controlled studyPatients screened, enrollment, randomization, and treatment flow diagram. aExtubation failure: patients received reintubation within 48Â h after extubation. ITT intention-to-treat analysis, SS safety set analysis, PP per-protocol analysisBack to article page