Hong et al reported an equation for determining the insertion depth of an esophageal temperature probe. The authors are from the Catholic University of Korea.
Patient selection: 3 to 13 years of age
Probe insertion: through the mouth
Parameters:
(1) height in cm
(2) age in years
depth of insertion in cm =
= (0.180 * (height)) + 6.749
depth of insertion in cm =
= (1.183 * (years)) + 20.907
R^2 for height was 0.92 and for age 0.85.
Simplified versions:
insertion depth in cm=
= ((height) / 6) + 8
= ((height) / 5) + 4
= ((height) / 5) + 5
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