Benefit-to-risk balance of bronchoalveolar lavage in the critically ill. A prospective, multicenter cohort study.

In non-intubated patients, the percentage of Grade 3 adverse events was 47.1% (8/17) when BAL was performed by a non-experienced physician versus 28.4% (25/88) otherwise, but the difference did not reach statistical significance due to small subsets sizes.

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