Fig. 2

ROC: receiver operating characteristic curves showing accuracy of forced vital capacity (FVC), maximum inspiratory pressure (MIP) and sniff nasal pressure (SNIP) as predictors of nocturnal hypoventilation.
ROC: receiver operating characteristic curves showing accuracy of forced vital capacity (FVC), maximum inspiratory pressure (MIP) and sniff nasal pressure (SNIP) as predictors of nocturnal hypoventilation.