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Table 3 Results of single-factor analysis of the risk factors for tracheitis

From: Analysis of morbidity, mortality, and risk factors of tracheostomy-related complications in patients with oral and maxillofacial cancer

Variable Tracheitis, present, n = 4 (78) Tracheitis, absent, n = 47 (92.2) p value
Patient-related characteristics    
 Age, years, mean 53.0 54.8 0.624a
 BMI, kg/m2, mean 25.3 22.2 0.064a
 Sex    0.597
  Male 3 (75.0) 29 (61.7)  
  Female 1 (25.0) 18 (38.3)  
 Smoker 3 (75.0) 27 (57.4) 0.493
 Alcohol drinker 2 (50.0) 27 (57.4) 0.773
 Neck height, cm 54.8 42.7 0.090a
 Pretracheal soft tissue thickness, cm 9.8 11.6 0.266a
Treatment-related characteristics    0.597
 Type of neck dissection    
  Unilateral 3 (75.0) 29 (61.7)  
  Bilateral 1 (25.0) 18 (38.3)  
 Type of flap used    0.551
  Fasciocutaneous 2 (50.0) 13 (27.7)  
  Musculocutaneous 2 (50.0) 28 (59.6)  
  Osteocutaneous 0 6 (12.8)  
 Type of tube used    0.028
  Single cannula 2 (50.0) 42 (89.4)  
  Double cannula 2 (50.0) 5 (10.6)  
  1. BMI body mass index
  2. aMann-Whitney test was used to analyze continuous variables. Data in the table are presented as numbers (percent), unless otherwise indicated