Table 1.
Patients’ characteristics and information on anaesthesia induction
| n=45 | |
|---|---|
| Age, years (mean, SD) | 57 (18.1) |
| Sex, male (%) | 22 (48) |
| BMI, kg m−2 (mean, SD) | 26.5 (4.3) |
| ASA physical status (%) | |
| 1 | 1 (2) |
| 2 | 15 (33) |
| 3 | 27 (60) |
| 4 | 2 (4) |
| Comorbidities (%) | |
| Cardiovascular | 24 (53) |
| Respiratory | 15 (33) |
| Gastrointestinal | 18 (40) |
| Metabolic | 16 (35) |
| Renal | 3 (6) |
| Type of surgery (%) | |
| Upper abdomen | 15 (33) |
| Lower abdomen | 30 (67) |
| STOP-BANG>5 (%) | 1 (2) |
| Cormack–Lehane grade (%) | |
| 1 | 11 (24) |
| 2 | 27 (60) |
| 3 | 7 (16) |
| Modified Mallampati score (%) | |
| 1 | 9 (20) |
| 2 | 26 (58) |
| 3 | 10 (22) |
| Inter-incisor gap<3 cm (%) | 8 (18) |
| Tyromental distance<6 cm (%) | 5 (11) |
| Grade of intubator; Trainee (%) | 35 (78) |
| Number of attempts at laryngoscopy (%) | |
| <2 | 38 (84) |
| >2 | 7 (16) |
ASA: American Society of Anesthesiology; STOP-BANG: Snoring, Tired, Observed, Pressure, Body Mass Index, Age, Neck Size, Gender; BMI: body mass index; SD: standard deviation