Table 2 Groups of patients graded according to depth of mucosal damage estimated by fiberoptic bronchoscopy on admission, in line with Chou’s classification[3]
From: Application of flexible bronchoscopy in inhalation lung injury
Grade | Number of patients | Findings |
|---|---|---|
G0 | 0 | Negative (no mucosal damage) |
Gb | 0 | Positive (mucosal damage) confirmed by biopsy |
G1 | 12 | Mild edema + hyperemia, with or without carbon soot |
G2 | 8 | Severe edema + hyperemia, with or without carbon soot |
G3 | 0 | Ulceration, necrosis, no cough reflex or bronchial secretions |