Table 2.

Success rates of nasogastric tube insertion.

Variables	Group C (n=50)	Group F (n=50)	Group L (n=50)	Statistical test results
First attempt	26 of 50 (52%)	41 of 50 (82%)	44 of 50 (88%)	P values (Fisher exact test) F vs C P <.001 L vs C P<.001 F vs L P=.401
Second attempt	4 of 24 (16.7%)	3 of 9 (33%)	2 of 6 (33%)
Overall success rate	30 of 50 (60%)	44 of 50 (88%)	46 of 50 (92%)	P values (Fisher exact test) F vs C P=.003 L vs C P<.001 F vs L P=.505

Values are expressed as numbers (%). C: Control, F: neck flexion with lateral pressure, L: lifting of the thyroid cartilage.