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]
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

Bai et al.

Bai et al. Diagnostic Pathology 2013 8:174   doi:10.1186/1746-1596-8-174

Open Data