Tracheostomy-related data from an intensive care unit for two consecutive years before the COVID-19 pandemic

Table 1 Baseline characteristics and comparison between patients who were subjected to tracheostomy and those who were not subjected to tracheostomy, n (%)

		Total patients	Patients with tracheostomy	Patients without tracheostomy	P value
Gender	Male	375/660 (56.8)	72/115 (62.6)	303/545 (55.6)	0.17
	Female	285/660 (43.2)	43/115 (37.4)	242/545 (44.4)
Age (yr)		60.2 ± 16.8	60.1 ± 15.2	60.2 ± 17.1	0.97
Cause of admission	CNS	345/660 (52.3)	65/115 (56.5)	280/545 (51.4)	0.32
	CVS	28/660 (4.2)	3/115 (2.6)	25/545 (4.6)	0.45
	RS	56/660 (8.5)	11/115 (9.6)	45/545 (8.3)	0.65
	Sepsis	4/660 (0.6)	4/115 (3.5)	0/545 (0.0)	0.001
	Malignancy	20/660 (3.0)	7/115 (6.1)	13/545 (2.4)	0.06
	Trauma	59/660 (8.9)	20/115 (17.4)	39/545 (7.2)	< 0.001
	Surgery	127/660 (19.2)	2/115 (1.7)	125/545 (22.9)	< 0.001
	Metabolic cause	21/660 (3.2)	3/115 (2.6)	18/545 (3.3)	1.00
Cause of intubation	Not intubated	19/660 (2.9)	0/115 (0.0)	19/545 (3.5)	0.06
	CNS	191/660 (28.9)	54/115 (47.0)	137/545 (25.1)	< 0.001
	CVS	31/660 (4.7)	8/115 (7.0)	23/545 (4.2)	0.21
	RS	42/660 (6.4)	10/115 (8.7)	32/545 (5.9)	0.26
	Trauma	34/660 (5.2)	16/115 (13.9)	18/545 (3.3)	< 0.001
	Metabolic cause	34/660 (5.2)	7/115 (6.1)	27/545 (5.0)	0.62
	Compromised airway	27/660 (4.1)	13/115 (11.3)	14/545 (2.6)	< 0.001
	Sepsis	36/660 (5.5)	7/115 (6.1)	29/545 (5.3)	0.74
	Surgery	246/660 (37.3)	0/115 (0.0)	246/545 (45.1)	< 0.001
GCS (N)		11.8 ± 4.5	9.6 ± 4.4	12.2 ± 4.4	< 0.001
APACHE II (N)		19.2 ± 8.0	19.0 ± 6.7	19.3 ± 8.5	0.65
APDR (%)		35.0 ± 24.5	33.2 ± 20.1	35.7 ± 26.1	0.29
Number of co-morbidities (N)		1.8 ± 1.5	1.75 ± 1.40	1.75 ± 1.49	0.97
Co-morbidity	Cardiovascular	329/660 (49.8)	56/115 (48.7)	273/545 (50.1)	0.79
	Metabolic	273/660 (41.4)	46/115 (40.0)	227/545 (41.7)	0.74
	Respiratory	74/660 (11.2)	13/115 (11.3)	61/545 (11.2)	0.97
	Autoimmune	10/660 (1.5)	3/115 (2.6)	7/545 (1.3)	0.39
	Malignancy	83/660 (12.6)	10/115 (8.7)	73/545 (13.4)	0.17
	Psychiatric	46/660 (7.0)	10/115 (8.7)	36/545 (6.6)	0.42
	Renal	41/660 (6.2)	6/115 (5.2)	35/545 (6.4)	0.63
	Neurological	42/660 (6.4)	9/115 (7.8)	33/545 (6.1)	0.48
	Hematological	19/660 (2.9)	3/115 (2.6)	16/545 (2.9)	1.00
	Urological	26/660 (3.9)	3/115 (2.6)	23/545 (4.2)	0.60
	Infectious	10/660 (1.5)	4/115 (3.5)	6/545 (1.1)	0.08
Days in ICU (N)		7.1 ± 9.9	21.8 ± 10.7	4.0 ± 6.3	< 0.001
Transferred to	Ward	494/660 (74.8)	75/115 (65.2)	419/545 (76.9)	0.009
	Another hospital	20/660 (3.0)	11/115 (9.6)	9/545 (1.7)	< 0.001
	Rehabilitation center	10/660 (1.5)	7/115 (6.1)	3/545 (0.6)	< 0.001
	CCU	6/660 (0.9)	3/115 (2.6)	3/545 (0.6)	0.07
	ICCU	12/660 (1.8)	0/115 (0.0)	12/545 (2.2)	0.24
Survival	Yes	542/660 (82.1)	96/115 (83.5)	446/545 (81.8)	0.68
	No	118/660 (17.9)	19/115 (16.5)	99/545 (18.2)

N: Number; CNS: Central nervous system; CVS: Cardiovascular system; RS; Respiratory system; GCS; Glasgow coma scale; APACHE: Acute physiology and chronic health evaluation; APDR: APACHE predicted death rate, ICU: Intensive care unit; CCU: Critical care unit; ICCU: Intensive coronary care unit.