**Group Leader:** Paul Petraro

**[[projects:workgroups:themis:focusgroup2members|Members]]**

**THEMIS Bi-weekly Meeting (Skype Meeting)**
Occurs every other Tuesday from 10:00 AM to 11:00 AM.
 
**[[https://meet.lync.com/quintiles-quintilesims/mui.vanzandt/7Z24VJ8Z|Join Skype Meeting]]** 
**[[https://meet.lync.com/quintiles-quintilesims/mui.vanzandt/7Z24VJ8Z|https://meet.lync.com/quintiles-quintilesims/mui.vanzandt/7Z24VJ8Z]]**      

Join by phone
Toll number:        +1 (646) 838-2458,,88328055# (Dial-in Number) English (United States)  
Conference ID: 88328055

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**Tracking Sheet:** 
Below are brief meeting notes.
To see a complete list of what topcis in the list below are being discussed, proposed, or finalzied; go to the Github at the following link https://github.com/OHDSI/Themis/issues .  The link will bring you to all THEMIS topics from all WGs.

**Meeting Minutes:**

* {{:projects:workgroups:themis:group_2_-_minutes_-_20180509.docx|May 9, 2018}}

* {{:projects:workgroups:themis:group_2_-_minutes_-_20180425.docx|April 25, 2018}}

* {{:projects:workgroups:themis:group_2_-_minutes_-_20180411.docx|April 11, 2018}}

* {{:projects:workgroups:themis:group_2_-_minutes_-_20180328.docx|March 28, 2018}}

* {{:projects:workgroups:themis:minutes-2018jan31.docx|January 31st 2018}}

* {{:projects:workgroups:themis:minutes-2018jan17.docx|January 17th 2018}}

* {{:projects:workgroups:themis:minutes-2017dec21.docx|December 21st 2017}}

* {{:projects:workgroups:themis:minutes-kickoff2017dec06.docx|December 6th 2017}}

^Issue^Options^
|**OBSERVATION_PERIOD**||
|Combined Data (CPRD-HES, Rx/Dx coverage|Allow and add flags/disallow|
|Data outside|Allow/put in Observation as "History of"|
|Persistence Window between enrollments|Allow and add after end of enrollment/disallow|
|**VISIT**||
|Missing End date|Leave null/create guideline for inference|
|How to derive visit type if not available| |
|Create Visits from hcpcs/cpt codes representing longer period care, e.g. dialysis charges are billed once a month| |
|Create Visits from events| |
|Long term care/ Skilled nursing facility| |
|Reverse Visits| |
|Observation visits| |
|Visits for receiving a test| |
|**COST**||
|DRG - what to do with them|Leave|
|How to handle granular versus total cost?|Gowtham's proposal|
|How to handle geographical or year-based multiplier tables|CDM WG|
|**PAYER_PLAN_PERIOD**||
|Payer types|Clean up and create convention|
|Overlapping|Keep|
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