Fig. 1From: Duration of prone position sessions: a prospective cohort studyEvolution of ĪVD/VT-phy, ĪSIII, ĪPetCO2 and ĪCdyn for each parameter (session 1), from 0 h (just before prone positioning) to 24 h of prone position; ā¶ at sessionsā end (dotted line); ā· 2 h after return in supine position (dotted line). *pā<ā0.05 (global time effect comparison)Back to article page