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. 2023 May 9;10:1167445. doi: 10.3389/fmed.2023.1167445

Table 2.

Feature importance of time-series ventilator-derived parameters with the mean of different intervals of seconds.

Ventilatory parameters Per 1 s Per 30 s Per 60 s Per 120 s Per 180 s Per 300 s
FiO2 0.108 0.127 0.133 0.140 0.144 0.128
Ppeak 0.083 0.121 0.131 0.139 0.142 0.140
PEEP 0.043 0.076 0.088 0.099 0.105 0.113
Pmean 0.034 0.057 0.066 0.071 0.066 0.065
RR 0.022 0.025 0.026 0.027 0.027 0.031
Vte 0.018 0.024 0.024 0.025 0.025 0.027
FiO2_DOD 0 0 0.002 0.002 0.004 0.005
Ppeak_DOD 0 0.004 0.038 0.002 0.003 0.004
PEEP_DOD 0 0.003 0.004 0 0.006 0
Pmean_DOD 0 0.004 0.003 0 0 0
RR_DOD 0.001 0.009 0.007 0.008 0.005 0.005
Vte_DOD 0.001 0.007 0.006 0.006 0.008 0.010

DOD, degree of difference; FiO2, fraction of inspiration oxygen; PEEP, positive end-expiratory pressure; Pmean, mean airway pressure; Ppeak, peak airway pressure; RR, respiratory rate; sq, squared; Vte, expiratory tidal volume.