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Table 1 PaO2/FiO2 in MRa and in no-MRa groups

From: Recruitment maneuver for prevention of alevolar derecruitment during percutaneous dilation tracheostomy

PaO2/FiO2

T1

T2

T3

T4

MRa

182.8 ± 121.5

464.1 ± 119.7*

360 ± 138.8*

360.4 ± 79.7*

no-MRa

247.1 ± 121.9

228.1 ± 116.3

126.5 ± 76.9

163.5 ± 84.5

  1. *P < 0.05.