Score

Clinical Frailty Scale (CFS v2.0)

New

Baseline frailty 2 weeks before acute illness, scored 1-9. Validated for age ≥ 65.

Baseline status

3

CFS

3 /9

1-4: not frail / very mild

1-4: not frail / very mild
5-6: mild-moderate frailty
7-9: severe frailty or terminally ill: discuss goals of care

Formula

cfs

Notes

Score the baseline, not the acute state. Not validated for younger people or stable single-limb disability. Use as one input to shared decisions, never as a sole triage rule.

References

  1. Rockwood K, et al. A global clinical measure of fitness and frailty in elderly people. CMAJ 2005;173:489-95.
  2. Rockwood K, Theou O. Using the Clinical Frailty Scale in allocating scarce health care resources. Can Geriatr J 2020;23:210-5.

Calculators support, not replace, clinical judgement. Check inputs and units, and confirm doses with your unit protocol.