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Table 2 The ratio of PaO₂ and FiO₂ at baseline level and different time points after operation

From: Plasma level of advanced oxidation protein products as a novel biomarker of acute lung injury following cardiac surgery

PaO₂:FiO₂ ratio	Before operation	1 h after operation	12 h after operation	24 h after operation	48 h after operation
ALI	418 ± 29.5	365 ± 31.6	314 ± 40.2^a	270 ± 43.1^a	256 ± 48.2^a
Non-ALI	431 ± 25.4	380 ± 21.9	350 ± 22.0	331 ± 22.0	324 ± 47.7

Data were shown as mean ± SD
ALI acute lung injury
^aP < 0.05 versus Non-ALI group at the same time point

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