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Table 4 Case-matched study: summary of demographic and clinical variables in the tracheostomy and translaryngeal tube groups

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

  Tracheostomy
(n = 129)
Translaryngeal tube
(n = 129)
P value
Age (years)† 71.77 ± 17.30 74.43 ± 13.44 0.13
Male‡ 62 (48.06%) 64 (49.61%) 0.80
Transfer from MICU‡ 88 (68.22%) 94 (72.87%) 0.45
APACHE II† 20.02 ± 6.10 20.35 ± 5.50 0.58
Reason of MV‡    0.75
Acute lung injury 30(23.26) 28(21.71)  
Chronic lung disease 23(17.83) 18(13.95)  
Post op 11(8.53) 19(14.73)  
Cardiac disease 20(15.50) 23(17.83)  
Neuron 33(25.58) 23(17.83)  
Miscellaneous 12(9.30) 18(13.95)  
ICU MV (days)† 28 (9, 87) 27 (15, 65) 0.33
Bed ridden prior to admission‡ 22 (17.05%) 29 (22.48%) 0.27
Sum of chronic comorbidities‡    0.70
   0 31 (24.03) 27 (20.93)  
   1 45 (34.88) 55 (42.64)  
   2 37 (28.68) 37 (28.68)  
   3 16 (12.40) 8 (6.20)  
   4 0 2 (1.55)  
   5 31 (24.03) 27 (20.93)  
Required hemodialysis‡ 31 (24.03%) 19 (14.73%) 0.03*
Modified GCS† 8.67 ± 2.74 8.47 ± 2.96 0.52
RSBI† 148 (17, 418) 122 (11, 550) 0.36
PImax 30 (1, 74) 29 (8, 75) 0.91
PaO2/FiO2 289 (91, 700) 291 (112, 577) 0.35
Albumin (g/dL)† 2.80 ± 0.50 2.69 ± 0.42 0.06
BUN (mg/dL)† 31 (6, 215) 30 (4.9, 220) 0.95
Length of stay (days)§ 84 (32, 806) 72 (19, 197) 0.04*
RCC length of stay (days)§ 28 (5, 121) 16 (2, 151) < 0.01*
Total MV days§ 55 (21, 173) 44 (19, 186) < 0.01*
Weaned|| 84 (65.12%) 82 (63.57%) 0.79
In-hospital mortality|| 19 (14.73%) 50 (38.76%) 0.08
RCC mortality|| 12 (63.16%) 32 (64.00%) 0.72
  1. 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; PImax, maximum inspiratory pressure at negative volume; PaO2/FiO2, arterial oxygen pressure/fraction of inspired oxygen; BUN, blood urea nitrogen. Data presented as: n (%); mean ± standard deviation; or median (range). *A statistically significant between-group difference (P < 0.05). † Compared with mixed model analysis. ‡ Compared with general estimation equation analysis. §Compared with mixed-model analysis, adjusted for the requirement of hemodialysis. || Compared with general estimation equation analysis, adjusted for the requirement hemodialysis.