Table 3—

Body mass index(BMI) and fat-free mass index (FFMI) ranges for the general and chronic obstructive pulmonary disease (COPD) populations

Nonpulmonary markersNutritional stateGeneral populationCOPD population
FemalesMalesFemalesMales
BMI kg·m−2Depleted≤18.5≤18.5≤21≤21
Normal18.5–2518.5–2521–2521–25
Overweight25–3025–3025–3025–30
Obese30–4030–4030–4030–40
Morbidly obese>40>40>40>40
FFMI kg·m−2Depleted≤15≤16≤15≤16
Normal>15>16>15>16