Characteristics | Vertical (n = 124) | Transverse (n = 334) | P value |
---|---|---|---|
Age, years | 68.4 ± 15.1 | 68.2 ± 15.7 | 0.948 |
Sex, male (%) | 77 (60.7) | 223 (66.8) | 0.553 |
BMI | 20.5 ± 4.9 | 20.7 ± 3.7 | 0.294 |
Duration of mechanical ventilation before PT (day) | 10.6 ± 6.3 | 9.7 ± 7.7 | 0.437 |
APACHE II | 25.98 ± 6.5 | 26.23 ± 8.3 | 0.567 |
Reason for tracheostomy (%) | 0.211 | ||
Need for long-term free airway maintenance | 73 (58.8) | 178 (53.2) | |
Prolonged mechanical ventilation | 50 (40.3) | 140 (42.0) | |
Laboratory findings (coagulation) | |||
Platelets (103/μl) | 207 | 208 | 0.695 |
PT (INR) | 1.12 | 1.15 | 0.229 |
aPTT (s) | 40.15 | 39.60 | 0.988 |
Antiplatelet agent during perioperative period (%) | 17 (13.6) | 36 (10.8) | 0.472 |
Aspirin | 14 (11.2) | 22 (6.6) | |
Clopidogrel | 2 (1.6) | 5 (1.5) | |
Aspirin and clopidogrel | 1 (0.8) | 9 (2.7) | |
Anticoagulant during perioperative period (%) | 18 (14.7) | 29 (8.7) | 0.039 |
Operated on by attending physician (%) | 82 (65.3) | 198 (59.3) | 0.190 |
Periprocedural parameters | |||
Size of incision (cm) | 1.4 ± 0.2 | 1.3 ± 0.2 | 0.046 |
Procedure time (min) | 19.3 ± 9.0 | 16.10 ± 8.8 | < 0.005 |
Length of stay in ICU | 25.4 | 24.0 | 0.001 |
Length of stay in hospital | 61.6 | 74.8 | 0.067 |
In-hospital mortality | 30 (24) | 70 (20.8) | 0.494 |