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Table 2 Comparison of LUS, RSBI and diaphragm parameters (DE, DTF) in patients with extubation success and failure

From: Application of bedside ultrasound in predicting the outcome of weaning from mechanical ventilation in elderly patients

Variables Successful weaning group (n = 69) Failed weaning group (n = 32) p value
RSBI (breaths/min/L) 75.68 ± 18.36 105.29 ± 16.07 0.003
LUS 11 (7–14) 15(11–20) 0.025
DE (cm) 1.65 (1.23–1.91) 0.80 (0.51–1.1) 0.001
DTF (%) 49.48 ± 12.50 27.83 ± 9.95 0.001
  1. DE diaphragmatic excursion, DTF diaphragm thickening fraction, RSBI rapid shallow breathing index, LUS lung ultrasound score