Incidence and preventability of adverse events in adult patients admitted to a Brazilian teaching hospital

PONE-D-20-36899

Dear Dr. Zanetti,

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Academic Editor

PLOS ONE

Journal Requirements:

1. Please include in your Methods section (or in Supplementary Information files) the participating hospitals/institutions.

Furthermore, please provide details or citation for the six level scale used in the study [line 145]. Please clarify whether the scale has been previously validated?

Reviewers' comments:

Reviewer's Responses to Questions

Comments to the Author

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Reviewer #1: Yes

Reviewer #2: Yes

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2. Has the statistical analysis been performed appropriately and rigorously?

Reviewer #1: Yes

Reviewer #2: Yes

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Reviewer #1: Yes

Reviewer #2: Yes

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Reviewer #1: Yes

Reviewer #2: Yes

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5. Review Comments to the Author

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Reviewer #1: The objective of this study is to analyze the incidence and preventability of adverse events related to health care in adult patients admitted to a Brazilian teaching hospital. This is an interesting manuscript that focuses on an issue that is commonly encountered in clinical car. The manuscript is well written, clearly presented and easy to follow.

Reviewer #2: Incidence and preventability of adverse events in adult patients admitted to a Brazilian teaching hospital

Variations in quality of care is a ubiquitous feature of the healthcare systems across world. Healthcare providers’ contribution to the observed variation in quality of care across region, hospital, age, and racial group is an important and unexplored area in the health outcomes research. The objective of this retrospective study was ‘to analyze the incidence and preventability of adverse events related to healthcare in adult patients admitted to a Brazilian teaching hospital. Overall, this is a well done study and the authors must be congratulated for this important contribution to the existing literature on health services and outcomes research.

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Reviewer #1: No

Reviewer #2: Yes: Ravishankar Jayadevappa.