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. 2016 Sep 8;6(9):e011148. doi: 10.1136/bmjopen-2016-011148

Table 2.

p Values for each interaction between the continuous baseline predictor and PEEP intervention for each outcome in the three included trials

Trial/predictor 60 days mortality Time to death Time to unassisted breathing
LOVS
 BMI 0.7331 0.3537 0.7507
 Estimated RC 0.1078 0.0957 0.3264
 PaO2/FiO2 0.1247 0.0296 0.0325
 Oxygenation index 0.4337 0.1259 0.2594
EXPRESS
 BMI 0.6989 0.7091 0.7294
 Estimated RC 0.6922 0.7053 0.4629
 PaO2/FiO2 0.5511 0.6095 0.7587
 Oxygenation index 0.3287 0.3041 0.9492
ALVEOLI
 BMI 0.1844 0.0894 0.8589
 Estimated RC 0.5438 0.7938 0.1192
 PaO2/FiO2 0.9785 0.7647 0.2002
 Oxygenation index 0.7908 0.8835 0.8046

BMI, body mass index; FiO2, fraction of inspired oxygen; PaO2, arterial partial oxygen pressure (mm Hg); PEEP, positive end-expiratory pressure; RC, respiratory compliance (tidal volume in mL/inspiratory plateau pressure−PEEP in mm Hg).