Aetiopathogenesis of Laryngotracheal Stenosis: A Retrospective Review

Table 5

Correlation between duration of intubation and severity of stenosis.

Duration of intubation	Severity of stenosis		Chi-square test
	Mild to moderate (grade I and grade II)	Moderately severe to severe (grade III and grade IV)
<2 weeks	7	10	value = 0.315
>2 weeks	0	7