CARE - Cohort Analysis & Refinement Expeditors
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  1. Since it is possible for the server (i2b2 hive) to take a long time to provide all the data requested, this plugin provides occasional updates of 'Elapsed time' and 'estimated remaining run time', etc. displays while the data are being fetched. These displayed values are at best rough estimates based on occasional data coming back from the server. In the case of zero 'Query Subgroup Size' selected (i.e. no query-subgrouping), then there would be no data coming back from the server until either of the following situations:
    1. The whole, single, query is done.
    2. The server itself started paging (i.e. query-subgrouping), and the result of the 1st of such paged subqueries just arrived.
    3. The server got overwhelmed by all the excessive data and failed, returning an 'error'.
  2. In any of these cases above, the updates of 'Elapsed time' and 'estimated remaining run time' will be quite infrequent, as updates from the server (i2b2 hive) will most likely take a long time, and far and few in-between, if any.
  3. This plugin also tries to provide updates on the current subgroup the server (i2b2 hive) is fetching. However, in the cases when the server (i2b2 hive) itself started paging (i.e. query-subgrouping), then the current subgroup # being fetched may exceed the original stated total number of subgroups.
  4. The exact behaviors of exporting data in the desired files will be different among the various browsers (Firefox, Chrome, Internet Explorer, Safari, and Opera). Most of these browsers will present options between saving and just opening the exported file; while certain browsers, like Internet Explorer, may also open up a new blank tab page along with the export action.

Browser Compatibilities

  • This plugin has been successfully tested with the following browsers: Firefox (v28, v31, v35), Chrome (v38, v40, v41), Internet Explorer 32/64 (v10, v11), Safari (v5.1.7), Opera (v20, v27), and , v28); all on Windows 7.
  • Its "Export Data" feature does not work with Vivaldi (v1.0.94.2); all on Windows 7.
  • The i2b2 web client itself does not work with Opera (v12.11, v12.16).

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1.0

Initial release, with options of using a subset of a large patient set; user-friendly feedback (estimated run-time, etc.), helps & hints..
By Wayne Chan, University of Massachusetts Medical School, Worcester, USA.

2015 Q1

1.0.1

Improved displays of the "COHORTS vs. POP. & LEGEND" table in the "View Results" tab on  Internet Explorer 32/64.
By Wayne Chan, University of Massachusetts Medical School, Worcester, USA.

2015 Q2

1.1

Added "Export Data" options & other minor refinements.
By Wayne Chan, University of Massachusetts Medical School, Worcester, USA.

2015 Q2 

 
Image Added

Terms of Use

This plugin is published under the GNU GPL v3 license. 

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