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Table 2 Primary outcomes: mean CO, PaO2, and oxygen delivery after adjustment for time and baseline values

From: The effect of positive end-expiratory pressure on cardiac output and oxygen delivery during cardiopulmonary resuscitation

PEEP level Cardiac output (l/min) PaO2 (mmHg) Oxygen delivery (ml/min)
0 1.04 (0.06) 154.54 (24.75) 107.72 (6.77)
5 1 (0.06) 201.83 (24.79) 110.78 (6.79)
10 0.87 (0.06) 205.53 (24.72) 100.9 (6.77)
15 0.86 (0.06) 221.81 (24.74) 94.6 (6.77)
20 0.73 (0.06) 266.73 (24.76) 81.95 (6.79)
P value <.001 <.001 <.001
  1. Note: P value indicates the significance to compare the overall mean differences across PEEP levels. CO cardiac output, PEEP positive end-expiratory pressure