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Table 1 Distribution of variables in patients undergoing RUSG-PDT and S-PDT

From: Impact of real-time ultrasound guidance on complications of percutaneous dilatational tracheostomy: a propensity score analysis

Variable S-PDT (n = 93) RUSG-PDT (n = 107) P value from multivariate analysis
Age in years (median (IQR)) 58 (21) 54 (28) 0.11
Female gender (n (%)) 39 (42%) 56 (52%) 0.29
Body mass index in kg/m2 (median (IQR)) 27 (6) 27 (8) 0.55
Diagnosis (n (%))    
-Subarachnoid hemorrhage 27 (29%) 25 (23%) 0.14
-Traumatic brain injury 15 (16%) 14 (13%) 0.66
-Intracerebral hemorrhage 15 (16%) 20 (19%) 0.24
-Acute ischemic stroke 11 (12%) 15 (14%) 0.28
-Neuromuscular respiratory failure 6 (6%) 10 (9%) 0.30
-Spinal cord injury 5 (5%) 8 (7%) 0.33
-Status epilepticus 8 (9%) 5 (5%) 0.72
-Other 3 (3%) 7 (7%) 0.46
-Brain tumor 3 (3%) 3 (3%) 0.99
Days from admission to tracheostomy (median (IQR)) 5 (6) 6 (6) 0.18
APACHE II score (median (IQR)) 18 (7) 19 (10) 0.19
PEEP at time of procedure in cmH2O (median (IQR)) 5 (0) 5 (3) 0.42
Cervical spine immobilized (n (%)) 10 (11%) 15 (14%) 0.44
Coagulopathy (n (%)) 12 (13%) 14 (13%) 0.79
Repeat tracheostomy (n (%)) 0 (0%) 2 (2%) 0.99
  1. Distribution of variables in patients undergoing real-time ultrasound guided percutaneous dilatational tracheostomy (RUSG-PDT) and standard percutaneous dilatational tracheostomy (S-PDT), with P value from multivariate analysis representing the P value from a logistic regression model predicting use of real-time ultrasound guidance. APACHE, Acute Physiology and Chronic Health Evaluation; IQR, interquartile range; PEEP, positive end-expiratory pressure.