| BMI | Body mass index |
| CCI | Charlson Comorbidity Index |
| COPD | Chronic Obstructive Pulmonary Disease |
| EWGSOP2 | European Working Group on Sarcopenia in Older People 2 |
| MIP | Maximal inspiratory pressure |
| MEP | Maximal expiratory pressure |
| MNA-SF | Mini Nutritional Assessment–Short Form |
| PCF | Peak Cough Flow |