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Table 2 Comparison between group A (U.S) and group B (colorimetric CO2 detector) according to time passed till identification of ETT position in seconds

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
  1. t independent sample t test, p value < 0.001 HS, *Significant