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Table 3 Real-time ultrasound guidance as a predictor of any tracheostomy complications

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

Variables in the equation P value Odds ratio 95% confidence interval
Real-time ultrasound guidance 0.032 0.087 0.009-0.811
Propensity score quartile 1 0.891   
Propensity score quartile 2 0.716 0.616 0.045-8.402
Propensity score quartile 3 0.884 1.199 0.106-13.601
Propensity score quartile 4 0.900 1.172 0.100-13.753
Constant 0.053 0.109  
  1. Logistic regression analysis of propensity score quartiles and use of real-time ultrasound guidance as predictors of any complications of tracheostomy.