Table 3 Anatomical and ultrasound-guided percutaneous tracheostomy data in the overall study population and in the obese and non-obese subgroups
From: Ultrasound-guided percutaneous tracheostomy in critically ill obese patients
Study population (n = 50) | Obese (n = 26) | Non-obese (n = 24) | P value | |
|---|---|---|---|---|
Short neck | 26 (52%) | 17 (64%) | 9 (38%) | 0.05 |
Tracheal deviation | 9 (18%) | 4 (15%) | 5 (21%) | 0.72 |
Cricoid-manubrium distance, cm | 5.5 (4.5-7) | 5 (4.2-6) | 6 (4.7-7) | 0.05 |
Subcutaneous tissue thickness, cm | 1.01 (0.77-1.45) | 1.29 (0.96-1.59) | 0.97 (0.68-1.15) | 0.01 |
Trachea diameter, cm | 2.1 (1.9-2.2) | 2.1 (1.9-2.2) | 2 (2-2.2) | 0.24 |
Ultrasound examination time, minutes | 10 (5-12) | 10 (5-12) | 10 (7-13) | 0.83 |
Percutaneous tracheostomy time, minutes | 10 (5-12) | 9 (5-10) | 10 (8-14) | 0.1 |
Total time, minutes | 18 (15-25) | 17 (15-23) | 20 (16-26) | 0.36 |
Numerical scalea | 0.5 | |||
1: Easy | 24 (48%) | 12 (46%) | 12 (50%) | |
2: A few difficulties | 16 (32%) | 8 (31%) | 8 (33%) | |
3: Moderate difficulties | 9 (18%) | 6 (23%) | 3 (13%) | |
4: Very difficult | 1 (2%) | 0 | 1 (4%) | |
5: Impossible | 0 | 0 | 0 |