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Table 2 Comparison between two groups as regards clinical characteristic

From: Risk factors of laryngeal injuries in extubated critical pediatric patients

  Normal or mild lesions by endoscopy Moderate to severe lesions p value
Age median (IQR) 6 (4 - 14.5) 6.5 (5.5–9.5) 0.775
Gender: females
Number (%): males
7 (35%) 12 (60%) 0.113
13 (65%) 8 (40%)
Acute pneumonia 10 (50.0%) 2 (10.0%) 0.006
CNS disorder 2 (10.0%) 3 (15.0%) 0.632
Septic shock 1 (5.0%) 4 (20.0%) 0.151
Cardiogenic shock 1 (5.0%) 2 (10.0%) 0.548
Emergency surgery 3 (15.0%) 2 (10.0%) 0.632
Inborn error of metabolism 0 (0.0%) 4 (20.0%) 0.035
Immunodeficiency 1 (5.0%) 2 (10.0%) 0.548
Acute compromise in renal patients 2 (10.0%) 1 (5.0%) 0.548
Days of MV* before 1st trial of extubation, median (IQR) 5 (4–6) 10 (8–12) 0.000
Total duration of MV*, median (IQR) 5 (2–6) 22(6–54) 0.057
Length of stay in ICU in days, median (IQR) 10 (7–12) 30 (18–64) 0.000
Tube size Mean±SD 3.95 ± 0.51 4.25 ± 0.72 0.135
Type Oral 19 (95.0%) 18 (90.0%) 0.548
Nasal 1 (5.0%) 2 (10.0%)
Intubation attempts Once 11 (55.0%) 2 (10.0%) 0.000
Twice 9 (45.0%) 9 (45.0%)
Multiple 0 (0.0%) 9 (45.0%)
Time elapsed < 30 s 9 (45.0%) 0 (0.0%) 0.000
30–60 s 8 (40.0%) 5 (25.0%)
> 60 s 3 (15.0%) 15 (75.0%)
Time of day Day 13 (65.0%) 7 (35.0%) 0.058
Night 7 (35.0%) 13 (65.0%)