Table 5.

Medication context patterns in i2b2 (number denotes frequency).

Exact pattern	Partial pattern	Status change pattern*
71 <do> of <m>	141 <do>|<du> of <m>	16 <m> INCREASE indication <do>
28 <du> of <m>	21 <m> at <do>	2 <m> INCREASE indication <f>
9 <do> of <m> <f>	8 <m> (dose) from <do>	1 <m><do> INCREASE indication <f>
8 <du> of <mo> <m>	5 <m> from <do>	8 <m> DECREASE indication <do>
6 <m> at <do>	6 <m> to <do>	1 <m> DECREASE indication <du>
6 <do> of <mo> <m>	4 <m> with <do>	1 <m> DECREASE indication <f>
5 <m> at <do> <mo> <f>		8 <m> START indication <do>
5 <m> at <do> <f>		3 <m> START indication <du>
5 <do> of <m> <du>		1 <du> START indication <m>

Note:

^*Lexical variations were normalized.