Table 2.
Variable | Difficult mask ventilation |
Frequency (%) | ||
---|---|---|---|---|
Yes | No | |||
Excessive gas leak | Yes | 8 | 10 | 18 (6.2%) |
No | 8 | 264 | 272 (93.8%) | |
Require more than one person to ventilate | Yes | 13 | 39 | 52 (17.9%) |
No | 3 | 235 | 238 (82.1%) | |
Jaw thrust | Yes | 12 | 228 | 240 (82.8%) |
No | 4 | 46 | 50 (17.2%) | |
Oral airway | Yes | 14 | 18 | 32 (11%) |
No | 2 | 256 | 258 (89%) | |
Desaturation | Yes | 12 | 0 | 12 (4.1%) |
No | 4 | 0 | 4 (1.4%) |