Figure 2
(a) Changes of Kelly--Matthay and (b) cough efficiency score after two hours of noninvasive ventilation (NPPV). Values are expressed as mean (standard deviation). * P < 0.005 vs. baseline.
Figure 2 | Critical Care
(a) Changes of Kelly--Matthay and (b) cough efficiency score after two hours of noninvasive ventilation (NPPV). Values are expressed as mean (standard deviation). * P < 0.005 vs. baseline.
Critical Care