Kaplan-Feinstein Comorbidity Scale

Number of well-controlled conditions having no direct effects on vital organs

Number of recent conditions involving slight decompensation of vital systems

Number of recent conditions causing impairment without full decompensation of vital systems

Number of recent conditions associated with full decompensation of vital structures

Number of recent life-threatening events

Number of chronic conditions posing little threat to the patient

Number of chronic conditions that carry some risk for the patient

Number of chronic conditions that threaten the life of the patient

Number of distant episodes of potentially life-threatening events

Number of self-limited episodes occurring in the past without residua in the affected structures