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Table 3 Comparison of the Clinical Frailty Scale and the FRAIL Scale

From: Frailty as a predictor of hospital length of stay after elective total joint replacements in elderly patients

  FRAIL Scale
Clinical Frailty Scale   Robust (0) Prefrail (1–2) Frail (3–5)
  Robust (1–3) 11 24 5
  Prefrail (4) 2 27 14
  Frail (5–7) 0 3 1