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From: Ajay Jain <gotillu@hotmail.com>
To: "dev@ctakes.apache.org" <dev@ctakes.apache.org>
Subject: RE: cTAKES handling of fractions in dosage
Date: Thu, 20 Mar 2014 12:22:21 -0500
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Pei=2C
Thanks.  I also wanted to mention that I have noticed the same behavior whe=
n ranges are specified in the context of dosage and frequency.  For example=
=2C when I try:
'Take Lipitor 1-2 tabs 3-4 times a day for 7 days'=2C dosage is annotated a=
s '2' and frequency value is annotated as '4'.
Looks like the same pattern is surfacing here (use the latter half) as well=
.
Best=2CJain
> From: Pei.Chen@childrens.harvard.edu
> To: dev@ctakes.apache.org
> Subject: RE: cTAKES handling of fractions in dosage
> Date: Thu=2C 20 Mar 2014 14:41:32 +0000
>=20
> Jain=2C
> Jira has been open to track this:=20
> https://issues.apache.org/jira/browse/CTAKES-289
>=20
> It seems like a possible bug to me=2C but I only had a quick glance at th=
e code:
> http://svn.apache.org/repos/asf/ctakes/trunk/ctakes-drug-ner/src/main/jav=
a/org/apache/ctakes/drugner/fsm/machines/elements/DosagesFSM.java
> It does seem to reuse the FractionStrengthCondition=2C but perhaps others=
 could comment it.
>=20
> --Pei
>=20
> > -----Original Message-----
> > From: Ajay Jain [mailto:gotillu@hotmail.com]
> > Sent: Wednesday=2C March 19=2C 2014 3:48 PM
> > To: dev@ctakes.apache.org
> > Subject: cTAKES handling of fractions in dosage
> >=20
> > Hi=2C
> > I am running the DrugAggregatePlainTextUMLSProcessor and noticing that
> > cTAKES is not handling fractions for medication dosage correctly.  For
> > example=2C "Benadryl 1/2 tsp 3 times daily"
> > produces a MedicationMention with a dosage of 2.  Having tried differen=
t
> > fractions (1/2=2C 1/3=2C 2/4=2C etc.)=2C apparently the dosage is alway=
s set to the digit
> > on the right of the '/'.  I am wondering if this is a documented issue =
with
> > cTAKES (I am using cTAKES version 3.1).  Thanks in advance.
> > Jain
 		 	   		  =

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