Artículo
en Inglés
| IBECS (España) | ID: ibc-228401
Introduction:
Maximal inspiratory and expiratory pressures (PImax/PEmax) reference equations obtained in healthy people are needed to correctly interpret respiratory muscle strength. Currently, no clear cut-off points defining respiratory muscle weakness are available. We aimed to establish sex-specific reference equations for PImax/PEmax in a large sample of healthy adults and to objectively determine cut-off points for respiratory muscle weakness.
The final sample consisted of 610 subjects (314 females; 48 [standard deviation, SD 17] years). Reference equations for PImax/PEmax included body mass index and a squared term of the age as independent variables for both sexes (p<0.01). Cut-off points for respiratory muscle weakness based on T-scores ≥2.5 SD below the peak mean value achieved at a young age were 62 and 83cmH2O for PImax and 81 and 109cmH2O for PEmax in females and males, respectively.