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Release 1.7.12  contains solutions for providing an easier install solution of i2b2, redesigned Find Terms, totalnum counting scripts, new Authentication protocols, and REDCAP import. Also included are  other enhancements to the i2b2 Webclient, the ACT ontology, and bug fixes.

After reading this documentation, please go to the Upgrade Notes page for the details about upgrading your i2b2 software. If you are installing from scratch, additionally refer to the i2b2 Installation Guide on the i2b2 Community Wiki. The install guide will take you through the entire installation process.

i2b2 Release 1.7.12

Release Date: November 21, 2019

Highlight of Features

Backend Features

  • Easier Install
    • One step WAR-file build and optional prebuilt WAR file
    • Properties files moved to database
  • Authentication protocol support for OKTA, NTLM v2 
    •   User Set up with  OKTA Configuration:   On the Admin page, under Manage Users,

                           Add a Parameter domain  and assign the values as below. Parameter value will be your institution domain name.

                                      

                        Add a second parameter domain_controller as below. Parameter value will be your institution domain_controller value

                               

                    Add the final parameter authentication_method as below. Parameter value will be OKTA

                                

    •   User Set up with  NTLM2 Configuration:   On the Admin page, under Manage Users,

                           Add a Parameter domain  and assign the values as below. Parameter value will be your institution domain name.

                                      

                        Add a second parameter domain_controller as below. Parameter value will be your institution domain_controller value

                               

                    Add the final parameter authentication_method as below. Parameter value will be NTLM2

                                

                          

Frontend Features

Redesigned Find Terms By Name

  • Find terms shows the terms' contextual hierarchy, and terms that are children of other search results are not returned. Shown here: 1.7.11 (left) vs. 1.7.12 (right)
  • Right-clicking on a term and then "Find Term in Tree" shows the entire hierarchy around the selected term.

New Webclient Documentation

  • Included in the client and also on the Webclient Community Wiki page.

  • Featuring:
    • 3-minute screencast tutorial
    • Better overviews and guideposts
    • More task-oriented teaching



Improved view of Left Pane in maximized mode

  • In maximized mode, the left pane now makes all tabs accessible.

Larger Query Results Panel view after Query run

When a query with breakdowns has finished, the results panel temporarily expands slightly to accommodate the breakdown graphs display.

Community-Contributed Features

Contribution

Contributor


ACT Ontology

ACT Technology and Data Harmonization Team

University of Pittsburgh

Easier-to-read counts

Nick Brown and Griffin Weber

Beth Israel Deaconess Medical Center

Extended query-by-value flags

Robert Bradford

University of North Carolina

Totalnum in find terms

Mauro Bucalo

University of Pavia

Visual Design of new Find Terms

Leaf Team

University of Washington

Totalnum Counter for Postgres

Dan Vianello

Center for Biomedical Informatics, Washington University in St. Louis

(Part of overall totalnum scripts in this release.)


Feature Configuration

Easier i2b2 Install

The i2b2 server can now be installed in three or four steps:

  1. (Optional) Build the war from source. Run in the edu.harvard.i2b2.server-common folder:
          ant clean dist war
  2. Copy the i2b2.war from the dist folder (or the binary release zip file) to /opt/wildfly-VERSION-Final/standalone/deployments/ folder.
  3. Run the data build for all the cell (PM, HIVE, ONT and CRC) . In the Hive there is a new table called HIVE_CELL_PARAM which contains all the previous XML and properties file.
  4. Modify the *-ds.xml in the deployment folder to point to the database

NOTE: If you are an existing user and have previously changed the properties files, you will need to modify the corresponding parameters in HIVE_CELL_PARAM.

RedCap Import Setup

Currently,  the following  REDCAP Features  are supported in i2b2.

  • Project level :
    •  Only one unique redcap project id  can be assigned to  each i2b2 project( system finds the first project it encounters and assigns it, so two projects cannot have same REDCAP project id:
  •  Form level:
    • Renaming a Form in Redcap will create a new record in table access instead of updating the original record which means in i2b2 the original survey will still show in Ontology in addition to creating the renamed survey as a new Ontology item.
    • On adding a new Field/editing a field in the REDCAP form, the form needs to be explicitly associated with the record again to take effect in i2b2
    • Data triggers happens only on Form SAVE button.
    • Only Form  SAVE as a URL survey or Admin edit/add record Saves, trigger i2b2 Ontology creation.Other forms of Form creation in REDCAP- by Data import tool, API format, will not trigger Ontology creation in i2b2)
    • Ontology is only displayed in Tree structure format in i2b2. Pop up display is not supported. (example as below)   

                                         

    • There is no mapping of records submitted in REDCAP to existing patient_ids in i2b2. The scope of this release is limited to adding new record rows in Observation_fact table and Updating the fields of records added.
  • Field level:
    • Following project fields from REDCAP  are supported in i2b2.
      • TEXT BOX
      • CHECKBOX
      • RADIO BUTTON
      • DROPDOWN
      • YES-NO
      • TRUE-FALSE
      • SLIDER / VISUAL ANALOG SCALE
      • DESCRIPTIVE TEXT
      • NOTES BOX
      • SIGNATURE
      • DYNAMIC QUERY(SQL)
    • Text box (Short text)Number and Date/Time ) with Validation capability in REDCAP validation  will work only as a simple text String search in i2b2
    • Check box, Multiple Choice , Yes-No, True-False Form fields will appear as a Tree format in i2b2 ( Popup display is not supported)

   REDCAP SETUP CONFIGURATION

1) Set Project Params (PM_PROJECT_PARAM)

NameValueDescription
REDCP_TOKEN (7B42348B7C51123432048B51EAA)

Required:

Get the API Key from Redcap.  Logon to Redcap on the right side under applications click API.   Than select Generate token, and use this token for the value for the key.

REDCAP_SURVEY_PROJECT(pid)

Required:

This is the name of the Data Collection Instruments to associate this project with, in this example it is set to the 'Profile'

REDCAP_ONTOLOGY_REFRESHY

Optional, Defaults to Y
Y - Every time a form is submitted the i2b2 metadata ontology get regenerated

N - Do Not regenerate the metadata ontology.   

NOTE:  When first setting up the i2b2/redcap this needs to be set to Y at least one or the ontology will not be created.

REDCAP_ROOT_ONTOLOGY\REDCAP\

Optional, Defaults to \REDCAP\
What the root ontology is

REDCAP_ONTOLOGY_FORMATtree

Optional, Defaults to tree
How the ontology will be created

tree - All enumerated values, Yes/No will be children on the ontology

The only exception is items with checkbox, which will always be a popup

RECAP_PROTECTED_ROLEDATA_PROTOptional, Defaults to DATA_PROT
If this redcap form has the identified value set to true, than this ontology will be protected and only users with the following i2b2 access role will be able to access it.

2) On the redcap side, set the Data Entry Trigger, it is under Project Setup → in Enable optional modules and customizations, select Additional customizations → Data Entry Trigger, and enter:

http://{i2b2 url}/i2b2/services/QueryToolService/redcapPush

Click Test to verify connection

3) Submit a form and check to see if the ontology was created.

Totalnum Scripts Setup

  1. In the Release_1-7/NewInstall/Metadata/ run the ant script to create the stored procedures.
    1. POSTGRESQL : ant -f data_build.xml db_metadata_run_total_count_postgresql
    2. ORACLE : ant -f data_build.xml db_metadata_run_total_count_oracle
    3. SQL SERVER : ant -f data_build.xml db_metadata_run_total_count_sqlserver
  2. Execute the RunTotalNum stored procedure on your database. This can take several hours.
  3. When finished, verify it is complete by checking that c_totalnum columns in your ontology tables contain numbers (not nulls). These total counts will be visible in the ontology browser in the web client.

ACT Ontology Setup

  1. In the Release_1-7/NewInstall/Metadata/db.properties file change the db.project from demo to act.
  2. Run the ant script against create_metadata_tables_release_1-7 and db_metadata_load_data

Using Extended Query-By-Value Flags

 

This is a community contributed feature, turned off by default, and has only been minimally tested by the core i2b2 team.


An expanded set of lab flag values can be easily modified by users to support their needs or expanded to the full set of HL7/LOINC flag values. The expanded list is toggleable via an added config setting in the i2b2_ui_config.js. (Note: Only numeric lab results have the flag functionality included.)

With the expanded set of lab values, the base 'A','L','H' are omitted to prevent collisions with things like "CH" (Critical High) or "CL" (Critical Low) due to the indexOf function call to determine if a flag is in the list.

To use the expanded lab flag set, make ETL changes to accommodate the expanded list of values you would like to use and modify i2b2_ui_config.js to match.

Configuring the Expanded Webclient Left Pane

To set the webclient to start with the left pane in the new expanded mode, make sure this new parameter is added to i2b2_config.js. 

startZoomed: true

The .zip file for this release defaults to this mode.

Changelog

Database Drivers

The JDBC drivers were updated to the following versions.

DriverNew Version
ojdbc8.jarOracle 12.2.0.1
postgresql-42.2.5.jarPostgreSQL 42.2.5
mssql-jdbc-7.0.0.jre8.jarMS Sql Server 7.0.0

i2b2 Database Changes

  • Small changes to the i2b2 Database. 
  • Totalnum counts to Ontology Terms in the demo data that is delivered with the software along with the  Stored procedures used for creating the counts.
  • ACT Ontology

i2b2 Server and Client Changes

New Features and Improvements

  • [CORE-378] - Find Terms should display partial results when maximum is exceeded
  • [CORE-377] - Admin interface
  • [CORE-352] - Show hierarchy in Find Terms
  • [CORE-348] - Improve build process, auto-build entire WAR file
  • [CORE-347] - Refactor to remove XML config files
  • [CORE-346] - OKTA
  • [CORE-345] - Replace old Spring Libraries
  • [CORE-344] - Support for NTLM2
  • [CORE-345] - Replace old Spring Libraries
  • [CORE-343] - Replace old Spring Libraries
  • [CORE-345] - Provide totalnum counting scripts
  • [CORE-341] - Add a findByName filter for results inside other results
  • [WEBCLIENT-310] - Mauro Bucalo contribution: totalnum in find, improved date filters
  • [WEBCLIENT-309] - Find Terms should display partial results when maximum is exceeded
  • [WEBCLIENT-308] - UNC Contribution: Configurable extended lab result flags
  • [WEBCLIENT-306] - Beth Israel contribution: commas in counts, query option infrastructure
  • [WEBCLIENT-299] - Fully spell out words in tabs
  • [WEBCLIENT-298] - open web issue management for i2b2
  • [WEBCLIENT-287] - Improved term info panel
  • [WEBCLIENT-285] - New webclient documentation
  • [WEBCLIENT-282] - Improve find terms view
  • [WEBCLIENT-281] - Left side panels tabbed instead of stacked
  • [WEBCLIENT-279] - Query status window resize to show graphs
  • [WEBCLIENT-174] - Previous query run as a query-in-query containing unsupported concepts does not draw the timeline
  • [WEBCLIENT-104] - Add Print functionality to i2b2 web client help files

Bug Fixes

  • [CORE-367] - When a SHRINE query is rerun in i2b2 the date parameter seems to be lost.
  • [CORE-366] - Error on API request on endpoint /i2b2/services/QueryToolService/publishDataRequest
  • [CORE-308] - Full Request XML message is stored in the QT_PDO_QUERY_MASTER table
  • [CORE-362] - db_metadata_load_identified_data does not exist
  • [CORE-358] - Issues with 1.7.10 VM image
  • [CORE-353] - DBLookup pages - not all fields appear
  • [CORE-333] - Query run with Text search with words that contain a space and a dash is erroring out
  • [CORE-332] - OracleLarge db give db error for Ontology terms 'Encounters', 'Enrollment, 'VitalSigns'
  • [CORE-231] - CRC: PDO query does not escape characters
  • [CORE-224] - SQL Server: Database error when no start_date on a temporal query
  • [CORE-222] - Visit_Dimension event set in PDO not returning
  • [WEBCLIENT-312] - Find Term tab- context menu shows Find Term in Tree" item without any item selection
  • [WEBCLIENT-311] - Find Terms- Search by "Any Category" not displaying right msg if no match found
  • [WEBCLIENT-303] - Find Terms - Category Diagnosis ICD10 showing as Diagnosis
  • [WEBCLIENT-302] - Find Terms- Search by term matching more than 2000 count -resulting in application
  • [WEBCLIENT-294] - Webclient Reports "QUERY CANCELLED" While Query Is Still Running
  • [WEBCLIENT-293] - A large number of results when searching by name hangs the webclient
  • [WEBCLIENT-288] - Right Click on Find Terms Persists
  • [WEBCLIENT-273] - Query report displays individual pt as "undefined" on loading the previous query after run
  • [WEBCLIENT-272] - temporal query with workplace contents in constraint population panel not running
  • [WEBCLIENT-254] - 2b2 Admin page not displaying all the rows from dblookup table for the projects
  • [WEBCLIENT-231] - Able to set Date constraint on previous queries/ptset as concept
  • [WEBCLIENT-223] - Admin uses last URL from PM_CELL_DATA in getAllDbLookups call
  • [WEBCLIENT-159] - Run/Rerun a temporal query without events is not displaying msg that minimum 2 events are required
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