Table 1.
Association between the airway providers’ and patients’ parameters with the number of intubation attempts
| No. of intubation attempts (n = 174) |
P-value | ||
|---|---|---|---|
| 1 | >1 | ||
| Designation | 0.85a) | ||
| Emergency physician | 5 (2.9) | 1 (0.6) | |
| Medical officer | 122 (70.1) | 22 (12.6) | |
| Houseman officer | 18 (10.3) | 4 (2.3) | |
| Medical assistant | 2 (1.1) | 0 (0) | |
| Years of experience in ED | 0.68a) | ||
| < 0.5 | 28 (16.1) | 6 (3.4) | |
| 0.5 to < 1 | 37 (21.3) | 5 (2.9) | |
| 1 to < 2 | 20 (11.5) | 2 (1.1) | |
| 2 to < 3 | 5 (2.9) | 2 (1.1) | |
| >3 | 57 (32.8) | 12 (6.9) | |
| No. of prior successful intubations | 0.25b) | ||
| < 10 | 41 (23.6) | 7 (4.0) | |
| 10–100 | 82 (47.1) | 12 (6.9) | |
| > 100 | 24 (13.8) | 8 (4.6) | |
| Sex | 0.99b) | ||
| Male | 109 (62.6) | 20 (11.5) | |
| Female | 38 (21.8) | 7 (4.0) | |
| Method of laryngoscopy | 0.13b) | ||
| VL | 108 (62.1) | 16 (9.2) | |
| DL | 39 (22.4) | 11 (6.3) | |
| MCL classification | 0.001a,c) | ||
| 1 | 63 (36.2) | 5 (2.9) | |
| 2a | 63 (36.2) | 8 (4.6) | |
| 2b | 13 (7.5) | 5 (2.9) | |
| 3 | 6 (3.4) | 7 (4.0) | |
| 4 | 2 (1.1) | 2 (1.1) | |
| Difficult airway view | < 0.01b,c) | ||
| Yes | 21 (12.1) | 14 (8.0) | |
| No | 126 (72.4) | 13 (7.5) | |
Values are presented as number (%).
ED, emergency department; VL, video laryngoscopy; DL, direct laryngoscopy; MCL, modified Cormack-Lehane.
a)
Fisher exact test.
b)
Chi-square test.
c)
P<0.01.