From: Evaluation of real-time tracheal ultrasound versus colorimetric capnography as a point of care tool for confirmation of endotracheal intubation: a randomized controlled study
Time passed till identification of ETT
Group A (U/S) [n = 35]
Group B (Colorimetric CO2 detector) [n = 35]
t test
p value
Range
15–45
10–20
9.381
< 0.001**
Mean ± SD
32.7 ± 6.21
16.35 ± 3.11