The 2018 operational definition of sarcopenia (EWGSOP2)
| Criteria | Diagnosis |
|---|---|
| (1) Low muscle strength | Probable sarcopenia is identified by Criterion (1) |
| (2) Low muscle quantity or quality | Diagnosis is confirmed by additional documentation of Criterion (2) |
| (3) Low physical performance | If Criteria (1), (2) and (3) are all met, sarcopenia is considered severe |