Grading and staging refers to a semiquantitative assessment of the necroinflammatory activity (grade) and degree of fibrosis (stage) in relation to chronic hepatitis.
Two scales are in common use, the Confusion Assessment Method for the ICU (CAM-ICU) and the Intensive Care Delirium Screening Checklist (ICDSC).
Wagner Classification of Diabetic Foot Ulcers
Grade 0: No ulcer in a high risk foot.
Grade 1: Superficial ulcer involving the full skin thickness but not underlying tissues.
Grade 2: Deep ulcer, penetrating down to ligaments and muscle, but no bone involvement or abscess formation.
Grade 3: Deep ulcer with cellulitis or abscess formation, often with osteomyelitis.
Grade 4: Localized gangrene.
Grade 5: Extensive gangrene involving the whole foot.