Gravitational distribution of regional opening and closing pressures, hysteresis and atelectrauma in ARDS evaluated by electrical impedance tomography

Table 2 Global and regional EIT-derived Hysteresis ad Atelectrauma index

	Global	Non-dependent	Dependent	p*
HysMAX	0.26 [0.23–0.28]	0.24 [0.23–0.26]	0.30 [0.25–0.39]	0.02
HysPAO (cmH₂O)	20 [16–22]	16 [15–20]	21 [20–24]	0.008
Atelectrauma index (%)	15.4 [13.1–25.6]	6.6 [2.2–14.1]	38.35 [14.6–52.7]	0.02

Median [IQR] values of global and normalized maximal hysteresis (HysMAX), corresponding pressure location (HysPAO) and atelectrauma index
^*p = Wilcoxon signed-rank test between the non-dependent and dependent lung region

ISSN: 1364-8535