| Variables |
Group P |
Group C |
p value |
| No of attempts(N1) |
| 1 |
60(85.7%) |
59(84.3%) |
p>0.05 |
| 2 |
10(14.3%) |
9(12.9%) |
|
| 3 |
0 |
2(2.9%) |
|
| No of operators (N2) |
| 1 |
68(97.1%) |
67(95.7%) |
p>0.05 |
| 2 |
2(2.9%) |
3(4.3%) |
|
| No of alternative techniques (N3) |
| 1 |
68(97.1%) |
66(94.3%) |
p>0.05 |
| 2 |
2(2.9%) |
4(5.7%) |
|
| Glottic exposure Cormack Lehane Grade |
| 1 |
68(97.1%) |
43(61.4%) |
|
| 2A |
2(2.9%) |
15(21.4%) |
|
| 2B |
|
6 (8.6%) |
|
| 3A |
|
3(4.2%) |
|
| Lifting force required during surgery (N5) |
| Normal |
63 (90%) |
53(75.7%) |
p>0.05 |
| Increased |
7(10%) |
17(24.3%) |
|
| Laryngeal pressure applied for optimizing glottis opening (N6) |
| No |
62(88.7%) |
42(60%) |
p>0.05 |
| Yes |
8(11.4%) |
28(40%) |
|
| Position of vocal cords (N7) |
| Abducted |
70(100%) |
70(100%) |
P<0.05 |
