HiRID, a higher time-resolution icu dataset. Anonymization procedure

HiRID, a higher time-resolution icu dataset. Anonymization procedure

Posted Variation: 1.0


HiRID is an easily available care that is critical containing data associated with nearly 34 thousand patient admissions to your Department of Intensive Care Medicine associated with Bern University Hospital, Switzerland (ICU), an interdisciplinary 60-bed device admitting >6,500 clients each year. The ICU provides the complete selection of contemporary interdisciplinary intensive care medicine for adult clients. The dataset was created in cooperation involving the Swiss Federal Institute of tech (ETH) ZГјrich, Switzerland additionally the ICU.

The dataset contains de-identified information that is demographic a total of 681 regularly gathered physiological factors, diagnostic test outcomes and therapy parameters from nearly 34 thousand admissions through the duration. Information is kept having an uniquely about time quality of just one entry every 120 seconds.


Critical infection is seen as an the existence or threat of developing deadly organ dysfunction. Critically sick clients are usually looked after in intensive care units (ICUs), which focus on supplying monitoring that is continuous advanced therapeutic and diagnostic technologies. This dataset had been gathered during routine care during the Department of Intensive Care Medicine regarding the Bern University Hospital, Switzerland (ICU), an interdisciplinary unit that is 60-bed >6,500 clients each year. It absolutely was initially removed to aid a research from the very very very early forecast of circulatory failure when you look at the intensive care device machine learning 1 that is using. The latest documents for the dataset is available2.


The HiRID database includes a big variety of all routinely gathered data relating to patient admissions towards the Department of Intensive Care Medicine of this Bern University Hospital, Switzerland (ICU). The information ended up being obtained through the ICU individual information Management System that will be familiar with register that is prospectively wellness information, dimensions of organ function parameters, outcomes of laboratory tests and therapy parameters from ICU admission to discharge.

Dimensions from bedside monitoring

Dimensions and settings of medical products such as for example technical air flow

Findings by medical care providers e.g.: GCS, RASS, urine as well as other output that is fluid

Administered drugs, liquids and nourishment

HiRID has a greater time quality than many other posted datasets, most of all for bedside monitoring with many parameters recorded every 2 minutes.

So that the anonymization of people within the information set, we implemented the procedures effectively sent applications for the MIMIC-IIwe and Amsterdam UMC db dataset, which adopted the wellness Insurance Portability and Accountability Act (HIPAA) secure Harbor needs and, when it comes to Amsterdam UMC db, additionally europe’s General information Protection Regulation (GDPR) standards 3,4.

Elimination of all eighteen data that are identifying placed in HIPAA

Times were shifted by way of a random offset in a way that the admission date lies. We ensured to protect the seasonality, time of time as well as the day’s week.

Individual age, height and fat are binned into containers of size 5. For patient age, the maximum container is 90 years and possesses additionally all older clients.

Dimensions and medicines with changing devices with time had been standardised to your unit that is latest utilized. This standardization ended up being required to make a summary about approximated admission times, in line with the devices found in a patient that is specific impossible.

Complimentary text ended up being taken from the database

k-anonymization ended up being used on patient age, fat, height and intercourse.

Ethical approval and consent that is patient

The review that is institutional (IRB) associated with the Canton of Bern authorized the analysis. The need for acquiring informed client consent had been waived due to the retrospective and observational nature associated with research.

Data Description

The general information is obtainable in two states: as natural information and/or as pre-processed information. Furthermore you will find three guide tables for variable lookup.

Guide tables

adjustable guide – guide dining dining table for factors (for natural phase)

ordinal adjustable guide – guide dining dining table for categorical/ordinal variables for string value lookup

pre-processed adjustable http://datingrating.net/loveandseek-review/ guide – guide dining dining dining table for factors (for merged and stage that is imputed

Natural information

The raw information was just prepared if this is necessary for patient de-identification and otherwise left unchanged set alongside the initial supply. The origin information provides the complete group of available factors (685 factors). It contains the tables that are following

Preprocessed information

The pre-processed information comes with intermediary pipeline phases from the accompanying book by Hyland et1 that is al. Supply factors representing exactly the same concepts that are clinical merged into one meta-variable per concept. The info offers the 18 many predictive meta-variables just, as defined within our book. Two various phases associated with the pipeline can be found

Merged phase supply factors are merged into meta-variables by medical ideas e.g. non-opioid-analgesics. Enough time grid is kept unchanged and it is sparse.

Imputed stage the data through the merged stage is down sampled up to a time grid that is five-minute. The full time grid is filled up with imputed values. The imputation strategy is complex and it is talked about into the publication that is original.

The rule utilized to create these phases are available in this GitHub repository beneath the folder 5 that is preprocessing.

Which information to utilize?

The pre-processed information is intended primarily being a fast option to jump-start a project or even for used in a proof concept. We advice utilising the supply data whenever you can for regular jobs. This is the many versatile kind and possesses the entire group of variables into the initial time quality.

Information platforms

Information is obtainable in two platforms: CSV for wide compatibility and Apache Parquet for convenience and gratification.

Because the information sets are fairly large, they truly are put into partitions, in a way that they may be prepared in parallel in a way that is straightforward. The lookup dining table mapping patient id to partition id is supplied into the file known as combined with information. The partitions are aligned amongst the various information sets and tables, so that the information of an individual can invariably be located into the partition utilizing the exact same id. Note however, that someone may well not take place in all data sets, e.g. a patient could be lacking when you look at the preprocessed information, because an individual did not meet with the demographic requirements become contained in the research.

Patient ID / ICU admission

The dataset treats each ICU admission uniquely and it’s also extremely hard to recognize numerous ICU admissions as originating from the exact same client. For each ICU (re-)admission a distinctive “Patient ID” is produced.

Information schemata

The schemata of any dining dining table are available in the *schemata.pdf* file.

Use Records

Because the database contains detailed information about the medical proper care of clients, it should be addressed with appropriate care and respect.

Researchers have to formally request access via PhysioNet. The user has to be a credentialed PhysioNet user, digitally sign the Data Use Agreement and provide a specific research question to be granted access.

Conflicts of Interest

The writers declare no disputes of great interest


Access Policy: Only PhysioNet credentialed users whom signal the specified DUA have access to the files.