Table 1. Comparison of Factors between Patients Who Could or Could Not Be Decannulated.

From: Factors and Outcomes Attributable to Weaning and Decannulation from Ventilation after Tracheostomy

Group A (n=35)
Successful decannulation
Group B (n=76)
Failed decannulation
p value
Age (years) (20-39 : 40-64 : 65-74 : ≥75) 4 : 14 : 8 : 9 3 : 14 : 17 : 42 0.01*
Sex (male : female) 19 : 16 51 : 25 0.28
BMI (kg/m2) (<18.5 : 18.5≤ <25 : 25≤ <30 : ≥30) 11 : 19 : 2 : 3 19 : 41 : 13 : 3 0.30
Smoking (No : Yes) 20 : 15 38 : 38 0.62
Albumin (g/dl) (≤1.9 : 2.0-2.4 : ≥2.5) 10 : 12 : 13 25 : 29 : 22 0.69
CRP (mg/dl) (<5.0 : ≥5.0) 25 : 10 33 : 43 0.01*
Lymphocyte Count (/μl) (<500 : 500-799 : ≥800) 4 : 10 : 21 22 : 21 : 33 0.11
Cause of intubation (Head and Neck : Chest and Abdomen : others) 5 : 20 : 10 33 : 28 : 15 0.01*
Intubation period (days) (≤7 : 8-14 : ≥15) 15 : 11 : 9 26 : 25 : 25 0.64
Surgical method (ST : PDT) 17 : 18 52 : 24 0.07
Table 2. Multivariable Analysis of Factors Associated with Decannulation.

From: Factors and Outcomes Attributable to Weaning and Decannulation from Ventilation after Tracheostomy

Univariable Multivariable
coef OR 95%CI P value coef OR 95%CI P value
Age(year) 20-39 reference reference
40-64 -0.288 0.750 0.141-3.985 0.736 -0.252 0.777 0.106-5.688 0.804
65-74 -1.041 0.353 0.063-1.964 0.234 -1.452 0.234 0.025-2.172 0.201
≥75 -1.828 0.161 0.031-0.846 0.031* -3.937 0.020 0.002-0.240 0.002*
CRP <5.0 reference reference
≥5.0 -1.181 0.307 0.130-0.727 0.007* -2.155 0.116 0.022-0.600 0.010*
Lymphocyte count <500 reference reference
500-799 0.963 2.619 0.710-9.655 0.148 1.099 3.001 0.603-14.941 0.180
≥800 1.253 3.500 1.057-11.593 0.040* 1.785 5.957 1.358-26.124 0.018*
Cause of intubation Chest and Abdomen reference reference
Head and Neck -1.551 0.212 0.070-0.638 0.006* -4.192 0.015 0.002-0.130 0.000*
Others -0.069 0.933 0.349-2.498 0.891 -2.485 0.083 0.013-0.540 0.009*
Table 3. Comparison of Factors between Patients Who Could or Could Not be Weaned from MV.

From: Factors and Outcomes Attributable to Weaning and Decannulation from Ventilation after Tracheostomy

Group A+B (n=111)
Successfully weaned
Group C (n=88)
Failed to wean
P value
Age (years) (20-39 : 40-64 : 65-74 : ≥75) 7 : 28 : 25 : 51 3 : 13 : 30 : 42 0.04*
Sex (male : female) 70 : 41 64 : 24 0.27
BMI (kg/m2) (<18.5 : 18.5≤ <25 : 25≤ <30 : ≥30) 30 : 60 : 15 : 6 25 : 42 : 12 : 9 0.59
Smoking (No : Yes) 58 : 53 29 : 59 0.02*
Albumin (g/dl) (≤1.9 : 2.0≤ <2.4 : ≥2.5) 35 : 41 : 35 37 : 37 : 14 0.04*
CRP (mg/dl) (<5.0 : 5.0≥) 58 : 53 41 : 47 0.52
Lymphocyte Count (/μl) (<500 : 500-799 : ≥800) 26 : 31 : 54 36 : 26 : 26 0.006*
Cause of intubation (Head and Neck : Chest and Abdomen : others) 38 : 48 : 33 15 : 56 : 17 0.004*
Intubation period (days) (≤7 : 8-14 : ≥15) 41 : 36 : 34 25 : 32 : 31 0.39
Surgical method (ST : PDT) 69 : 42 53 : 35 0.72
Table 4. Multivariable Analysis of Factors Associated with MV Withdrawal.

From: Factors and Outcomes Attributable to Weaning and Decannulation from Ventilation after Tracheostomy

Univariable Multivariable
coef OR 95%CI P value coef OR 95%CI P value
Age (year) 20-39 reference reference
40-64 -0.08 0.923 0.205-4.153 0.917 0.943 2.568 0.413-15.595 0.312
65-74 -1.03 0.357 0.084-1.527 0.165 0.023 1.023 0.170-6.156 0.98
≥75 -0.653 0.520 0.127-2.138 0.365 0.470 1.6 0.276-9.269 0.6
Sex Male -0.446 0.64 0.349-1.175 0.150 -0.032 0.969 0.428-2.195 0.939
BMI 18.5≤ <25 reference reference
<18.5 -0.174 0.840 0.434-1.627 0.605 -0.14 0.869 0.403-1.875 0.72
25≤ <30 -0.134 0.875 0.372-2.058 0.760 -0.581 0.559 0.208-1.505 0.25
≥30 -0.762 0.467 0.154-1.410 0.177 -1.784 0.168 0.044-0.634 0.009*
Smoking Smoker -0.8 0.449 0.252-0.802 0.007* -0.616 0.54 0.247-1.182 0.123
Albumin ≤1.9 reference reference
2.0-2.4 0.158 1.171 0.617-2.224 0.629 -0.19 0.827 0.380-1.798 0.631
≥2.5 0.972 2.643 1.220-5.726 0.014 0.799 2.224 0.919-5.380 0.076
CRP <5.0 reference reference
≥5.0 -0.227 0.797 0.455-1.396 0.428 0.227 1.255 0.619-2.546 0.529
Lymphocyte count <500 reference reference
500-799 0.501 1.651 0.799-3.410 0.176 0.69 1.995 0.886-4.493 0.096
≥800 1.056 2.876 1.445-5.722 0.003* 1.218 3.382 1.497-7.643 0.003*
Cause of intubation Chest and Abdomen reference reference
Head and Neck 1.084 2.956 1.451-6.019 0.003* 1.592 4.911 1.741-13.856 0.003*
Others 0.54 1.716 0.829-3.549 0.145 0.262 1.299 0.538-3.135 0.56
Intubation period ≤7 reference reference
8‐14 -0.377 0.686 0.345-1.366 0.283 -0.394 0.674 0.306-1.484 0.327
≥15 -0.402 0.669 0.333-1.341 0.257 -0.225 0.798 0.323-1.973 0.626
Surgical method ST reference reference
PDT -0.081 0.922 0.519-1.636 0.781 0.972 2.643 0.890-7.854 0.08
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