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Table 3 Incidence of bronchiolization in the lung

From: The Role of Catalase in Pulmonary Fibrosis

  Grade 1 Grade 2 Grade 3 composite bronchiolization score
Wild-type (C3H) (n = 8) 2.9 ± 1.0 2.0 ± 0.8 3.0 ± 1.3 13.4 ± 4.0
Acatalasemic (n = 6) 6.7 ± 2.0 2.0 ± 0.7 3.0 ± 1.1 28.3 ± 5.0*
  1. *: p < 0.05 vs. Wild-type mice (C3H/AnLCsaCsa) (Mean ± SE)
  2. Grade 1: Single alveolus lined by cuboidal epithelial cells or a single isolated acinar structure consisting of cuboidal epithelial cells adjacent to a terminal bronchiole
  3. Grade 2: 2 to 4 clustered tubular structures consisting of single-layered cuboidal epithelial cells adjacent to a terminal bronchiole
  4. Grade 3: More than 4 clustered tubular structures single-layered or stratified cuboidal epithelial cells