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Figure 1 | Critical Care

Figure 1

From: Ventilation with lower tidal volumes as compared with conventional tidal volumes for patients without acute lung injury: a preventive randomized controlled trial

Figure 1

Flow diagram summarizing inclusion, allocation, and analysis. 347 patients were eligible for the study; 94 patients were excluded because of participation in another clinical trial (n = 49), use of immunosuppressive agents (n = 22), chronic obstructive pulmonary disease (n = 11), prior pneumectomy or lobectomy (n = 5), interstitial lung disease (n = 4), and pulmonary thromboembolism (n = 3); 93 patients refused informed consent, and in eight patients, participation in the trial was denied by the attending physician.

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