Respiratory muscle strength
ventilatory failure, ICUAW
RESTRICTIVE LUNG DISEASE, VENTILATORY FAILURE
Respiratory muscle strength testing was performed using spirometry (Powerbreathe K3; POWERbreathe International Ltd.; UK). The MIP is a frequently used measure of the strength of inspiratory muscles, primarily the diaphragm, and allows for the assessment of ventilatory failure, restrictive lung disease and respiratory muscle strength and has been validated as a marker of ICUAW [