Table 2 Prevalence of specific risk factors for difficult mask ventilation among patients undergoing face mask ventilation before and after neuromuscular blockade. Data are presented as number (%)
Age >55 years | 70 (33.3) |
BMI >30 kg.mā2 | 71 (33.8) |
Mallampati grade ā„3 | 62 (29.5) |
Cannot prognath | 14 (6.6) |
Facial hair | 30 (14.2) |
History of snoring or OSA | 39 (18.6) |
Edentulous | 13 (6.2) |
Limited cervical spine extension | 21 (10) |
Large or wasted face | 23 (11) |