Clinical Frailty Scale

  • Administration time: 3 minutes
  • Relies on clinical judgment
  • Applies to various clinical settings (inpatient, outpatient, emergency department, and specialty clinics)

Key references

  • Rockwood K, Song X, MacKnight C, Bergman H, Hogan DB, McDowell I, Mitnitski A. A global clinical measure of fitness and frailty in elderly people. CMAJ. 2005;173(5):489-495.
  • Rockwood K, Theou O. Using the Clinical Frailty Scale in Allocating Scarce Health Care Resources. Can Geriatr J. 2020:23(3):210-215.
  • Clinical Frailty Scale. Available at:

Alternative tools to Clinical Frailty Scale


SOF Index


Vulnerable Elder Survey-13