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

Maxillofacial Plastic and Reconstructive Surgery

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

Variable	Tracheitis, present, n = 4 (78)	Tracheitis, absent, n = 47 (92.2)	p value
Patient-related characteristics
Age, years, mean	53.0	54.8	0.624^a
BMI, kg/m², mean	25.3	22.2	0.064^a
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	0.090^a
Pretracheal soft tissue thickness, cm	9.8	11.6	0.266^a
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)

BMI body mass index
^aMann-Whitney test was used to analyze continuous variables. Data in the table are presented as numbers (percent), unless otherwise indicated