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Table 1 Performance of PEEP-new during the PEEP step change test in vitro

From: Control of positive end-expiratory pressure (PEEP) for small animal ventilators

PEEP target (cmH 2 O) PEEP (cmH 2 O) Overshoot (cmH 2 O) Settling time (s)
  Trial 1 Trial 2 Trial 3 Trial 1 Trial 2 Trial 3 Trial 1 Trial 2 Trial 3
0 0.5 0.6 0.5 - - - - - -
3 3.1 3.1 3.1 0.4 0.6 0.3 4.1 1.0 3.0
5 5.1 5.1 5.1 0.3 0.5 0.2 5.1 1.0 4.1
10 10.2 10.2 10.2 1.0 1.0 1.0 9.1 7.1 8.1
15 15.2 15.2 15.1 1.3 1.2 1.1 10.2 7.1 6.9
10 10.0 10.1 10.1 -0.9 -1.0 -1.2 6.1 4.1 5.1
5 5.1 5.0 5.1 -0.9 -0.9 -0.9 3.0 2.0 3.0
3 3.1 3.3 3.0 -0.5 -0.4 -0.5 2.0 1.0 2.0
0 0.5 0.5 0.5 - - - - - -
  1. The PEEP step change temporal order follows the table rows. Overshoot and settling time are not reported for the first PEEP value, as well as for PEEP = 0 since at this condition the controller is not operating.