Table 4.

Comparison of intubation parameters between the McGrath and McCoy groups

Intubation parameters	McCoy (n=37)	McGrath (n=37)	P value
Modified Cormack and Lehane grading n (%)
I	3(8.1)	25(67.6)	<0.001
IIa	8(21.6)	10(27.0)
IIb	12(32.4)	2(5.4)
III	11(29.7)	0(0)
IV	3(8.1)	0(0)
POGO (%)	61.6 ± 13.4	93.8 ± 8.0	<0.001
IDS n (%)
0	2(5.4)	20(54.1)	<0.001
1-5	31(83.8)	17(45.9)
>5	4(10.8)	0(0)
VAS(1-10)	6.8 ± 1.4	2.9 ± 1.2	<0.001
Attempts n (%)
One	26(70.3)	37(100)	0.002
Two	7(18.9)	0(0)
>Two	4(10.8)	0(0)
Success rate n (%)
First attempt	26(70.2)	37(100)	0.002
Overall	33(89.1)	37(100)

Values are expressed as mean ± SD or counts (%)