Retrospective Cohort Study
Copyright ©The Author(s) 2024.
World J Methodol. Jun 20, 2024; 14(2): 91868
Published online Jun 20, 2024. doi: 10.5662/wjm.v14.i2.91868
Table 3 Comparison between the patients who were subjected to percutaneous tracheostomy and those who were subjected to surgical tracheostomy, n (%)

Patients with PDT
Patients with ST
P value
GenderMale59/96 (61.5)13/19 (68.4)0.57
Female37/96 (38.5)6/19 (31.6)
Age (years)62.6 ± 14.047.6 ± 15.0< 0.001
Cause of admissionCNS60/96 (62.5)5/19 (26.3)0.004
CVS3/96 (3.1)0/19 (0.0)1.00
RS9/96 (9.4)2/19 (10.5)1.00
Sepsis3/96 (3.1)1/19 (5.3)0.52
Malignancy6/96 (6.3)1/19 (5.3)1.00
Trauma13/96 (13.5)7/19 (36.8)0.022
Surgery0/96 (0.0)2/19 (10.5)0.026
Metabolic2/96 (2.1)1/19 (5.3)0.42
Cause of intubationCNS51/96 (53.1)3/19 (15.8)0.003
CVS7/96 (7.3)1/19 (5.3)1.00
RS8/96 (8.3)2/19 (10.5)0.67
Trauma12/96 (12.5)4/19 (21.1)0.30
Metabolic6/96 (6.3)1/19 (5.3)1.00
Compromised airway7/96 (7.3)6/19 (31.6)0.008
Sepsis5/96 (5.2)2/19 (10.5)0.33
Surgery0/96 (0.0)0/19 (0.0)N/A
GCS (N)9.2 ± 4.311.7 ± 4.20.025
APACHE II (N)19.6 ± 6.415.7 ± 7.00.020
APDR (%)35.1 ± 20.323.6 ± 16.00.022
Number of co-morbidities (N)1.9 ± 1.51.2 ± 1.00.044
Co-morbidityCardiovascular52/96 (54.2)4/19 (21.1)0.008
Metabolic37/96 (38.5)9/19 (47.4)0.47
Respiratory10/96 (10.4)3/19 (15.8)0.45
Autoimmune3/96 (3.1)0/19 (0.0)1.00
Malignancy10/96 (10.4)0/19 (0.0)0.21
Psychiatric9/96 (9.4)1/19 (5.3)1.00
Renal6/96 (6.3)0/19 (0.0)0.59
Neurological8/96 (8.3)1/19 (5.3)1.00
Hematological3/96 (3.1)0/19 (0.0)1.00
Urological3/96 (3.1)0/19 (0.0)1.00
Infectious4/96 (4.2)0/19 (0.0)1.00
Reason for tracheostomyProlonged mechanical ventilation22/96 (22.9)3/19 (15.8)0.76
Compromised airway9/96 (9.4)7/19 (36.8)0.005
Low level of
consciousness
45/96 (46.9)4/19 (21.1)0.044
Myopathy20/96 (20.8)5/19 (26.3)0.56
Timing of tracheostomyEarly53/96 (55.2)10/19 (52.6)
1.00
Late43/96 (44.8)9/19 (47.4)
Reason for early tracheostomyProlonged duration of stay36/53 (67.9)0/10 (0.0)< 0.001
Compromised airway3/53 (5.7)5/10 (50.0)0.002
Trauma10/53 (18.9)3/10 (30.0)0.42
Neuromuscular disease4/53 (7.6)2/10 (20.0)0.24
Complications0/96 (0.0)0/19 (0.0)N/A
VAP25/96 (26.0)6/19 (31.6)0.62
Pathogen isolatedNone9/39 (23.1)2/8 (25.0)1.00
Candida albicans1/39 (2.6)0/8 (0.0)1.00
Klebsiella pneumoniae3/39 (7.7)1/8 (12.5)0.54
Acinetobacter baumanii13/39 (33.3)2/8 (25.0)1.00
Pseudomonas aeruginosa8/39 (20.5)2/8 (25.0)1.00
Staphylococcus aureus1/39 (2.6)0/8 (0.0)1.00
Proteus mirabilis1/39 (2.6)1/8 (12.5)0.32
Escherichia coli1/39 (2.6)0/8 (0.0)1.00
Enterococcus faecium1/39 (2.6)0/8 (0.0)1.00
Hemophilus influenzae1/39 (2.6)0/8 (0.0)1.00
Days in ICU (N)22.0 ± 10.920.7 ± 9.80.64
Transferred toWard65/96 (67.7)10/19 (52.6)0.29
Another hospital8/96 (8.3)3/19 (15.8)0.39
Rehabilitation center5/96 (5.2)2/19 (10.5)0.33
CCU1/96 (1.0)2/19 (10.5)0.07
ICCU0/96 (0.0)0/19 (0.0)N/A
Condition at dischargeT-piece68/79 (86.1)14/17 (82.4)0.71
Speaking valve0/79 (0.0)1/17 (5.9)0.18
Tracheostomy closure5/79 (6.3)0/17 (0.0)0.58
CPAP0/79 (0.0)2/17 (11.8)0.030
BiPAP1/79 (1.3)0/17 (0.0)1.00
Pressure ventilator3/79 (3.8)0/17 (0.0)1.00
Volume ventilator2/79 (2.5)0/17 (0.0)1.00
Breathing at dischargeUnassisted73/79 (92.4)15/17 (88.2)0.63
Assisted6/79 (7.6)2/17 (11.8)
Weaning from mechanical ventilation70/91 (76.9)17/19 (89.5)0.35
Days on mechanical ventilation (N)18.9 ± 9.717.6 ± 10.00.60
SurvivalYes79/96 (82.3)17/19 (89.5)0.74
No17/96 (17.7)2/19 (10.5)