Prolonged mechanical ventilation in a respiratory-care setting: a comparison of outcome between tracheostomized and translaryngeal intubated patients

Table 1 Summary of demographic and clinical variables in the tracheostomy and translaryngeal tube groups

Variable	Tracheostomy (n = 985)	Translaryngeal tube (n = 227)	P value
Age (years) †	73.17 ± 15.04	73.56 ± 15.69	0.73
Male ‡	551 (55.94%)	107 (47.14%)	0.02*
Transferred from MICU ‡	691 (70.15%)	181 (79.74%)	< 0.01*
APACHE II†	18.58 ± 5.53	20.30 ± 5.86	< 0.01*
Reason for MV\|\|			< 0.01*
Acute lung injury	229 (23.25%)	69 (30.40%)
Chronic lung disease	207 (21.02%)	37 (16.30%)
Postoperative	86 (8.73%)	21 (9.25%)
Cardiac disease	145 (14.72%)	33 (14.54%)
Neuronal	242 (24.57%)	37 (16.30%)
Miscellaneous	76 (7.72%)	30 (13.22%)
ICU MV (days)§	28 (0, 213)	27 (1, 123)	< 0.01*
Bedridden before admission‡	194 (19.70%)	52 (22.91%)	0.29
Sum of chronic comorbidities§	1 (0, 5)	1 (0, 4)	0.75
Sum of chronic comorbidities\|\|			0.52
0	183 (18.58)	36 (15.86)
1	404 (41.02)	104 (45.81)
2	271 (27.51)	66 (29.07)
3	111 (11.27)	18 (7.93)
4	13 (1.32)	3 (1.32)
5	3 (0.30)	0
Required hemodialysis‡	157 (15.94%)	30 (13.22%)	0.31
Modified GCS†	8.91 ± 2.63	8.48 ± 2.94	0.04*
RSBI§	128 (7, 818)	122 (11, 550)	0.49
PI_max§	27 (1, 75)	29 (8, 75)	0.02*
PaO₂/FIO₂§	251.5 (61, 700)	290 (105, 577)	< 0.01*
Albumin (g/dl)†	2.69 ± 0.49	2.64 ± 0.50	0.16
BUN (mg/dl)§	29 (3.3, 234)	30.5 (4.9, 296)	0.04*

Abbreviations: MICU, medical intensive care unit; APACHE II, Acute Physiology and Chronic Health Evaluation II; ICU, intensive care unit; MV, mechanical ventilation; RCC, respiratory care center; Glasgow Coma Scale; RSBI, rapid shallow breath indices; PI_max, maximum inspiratory pressure at negative volume; PaO₂/FiO₂, arterial oxygen pressure/fraction of inspired oxygen; BUN, blood urea nitrogen. Data are presented as number (%); mean ± standard deviation; or median (range). *A statistically significant between-group difference (P < 0.05). † Compared with Student's t test. ‡ Compared with the χ² test. §Compared with the Wilcoxon rank-sum test. || Compared with Fisher's Exact test.

ISSN: 1364-8535