Table 5 Classification of tracheomalacia [47]
From: Adolescent and adult laryngotracheal stenosis: a review
Absent | 0% respiration related airway occlusion |
Mild | 1–33% respiration related airway occlusion |
Moderate | 34–66% respiration related airway occlusion |
Severe | > 66% respiration related airway occlusion |