Table 3 Insertion characteristics and device performance
Management details | GMA group (n = 35) | Supreme group (n = 35) | P value |
|---|---|---|---|
Insertion time (s) | 18 (15,22) | 36 (32,39) | < 0.001 |
Insertion attempt, n (%) | |||
1 | 32(91.4) | 26(74.3) | 0.131 |
2 | 3(8.6) | 7(20.0) | |
3 | 0 | 2(5.7) | |
Insert resistance (1/2/3/4) | 32/3/0/0 | 24/8/3/0 | 0.042 |
Supine view grading (I/II/III/IV) | 16/15/4/0 | 10/12/13/0 | |
LMA alignment accuracy in supine position, n (%) | 31(88.6) | 22(62.9) | 0.024 |
Lateral view grading (I/II/III/IV) | 15/15/5/0 | 12/13/10/0 | |
LMA alignment accuracy in lateral position, n (%) | 30(85.7) | 25(71.4) | 0.244 |
Manipulations after insertion, n (%) | 0.028 | ||
None | 31(88.6) | 31(88.6) | |
Advancement | 4(11.4) | 0 | |
Withdrawal of device without removal | 0 | 3(8.5) | |
Neck extension | 0 | 1(2.9) | |
Manipulations after lateral position, n (%) | > 0.99 | ||
None | 33(94.2) | 32(91.3) | |
Advancement | 1(2.9) | 1(2.9) | |
Withdrawal of device without removal | 0 | 1(2.9) | |
Neck extension | 1(2.9) | 1(2.9) | |