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Table 3 Effect of paralysis, PEEP and esophageal balloon position on end-expiratory esophageal pressure (cmH2O)

From: The occlusion tests and end-expiratory esophageal pressure: measurements and comparison in controlled and assisted ventilation

End-expiratory esophageal pressurea Statistical analysisb
PEEP (cmH2O) Middle balloon position Low balloon position   Coef. 95 % CI p
Sedation with paralysis—P P versus no P 2.47 1.66 3.27 <0.001
0 10.1 ± 2.8 10.1 ± 2.8 PEEP 10 versus 0 4.01 3.21 4.81 <0.001
10 12.2 ± 2.1 13.3 ± 2.2 Low versus middle position 2.26 1.46 3.05 <0.001
Sedation without paralysis—no P P × Low position −2.30 −3.43 −1.16 <0.001
0 7.7 ± 3.5 9.9 ± 3.7 P × PEEP 10 −2.00 −3.12 −0.87 0.001
10 11.7 ± 3.6 13.6 ± 3.1 Low position × PEEP 10 −0.31 −1.43 0.80 0.584
    P × Low position × PEEP 10 1.47 −0.11 3.06 0.069
  1. Multiple linear random-intercept regression models including main effects and interaction terms
  2. Statistically significant p values are in italics
  3. PEEP positive end-expiratory pressure, P paralysis, no P no paralysis
  4. Data are presented as amean ± standard deviation and as b regression coefficient with 95 % CI