Table 3

Endotracheal tube (ETT) placements

Body weight Foot length p Value
Number of infants2530
Satisfactory ETT18 (72)25 (83)0.493-150
Optimal ETT14 (56)13 (44)0.503-150
Unsatisfactory ETT
 High540.763-151
 Low210.863-151
  • Values in parentheses are percentages of successful intubations with x ray confirmation of ETT position.

  • 3-150 χ2 test with Yates' continuity correction.

  • 3-151 Fisher's exact test.