Table 3 Lexical patterns to extract DDIs.

P1

DRUG MODAL? ADV? INTERACT _syn WITH WORD_0..5 (OF)? DRUG

P2

DRUG MODAL? ADV? INCREASE _syn WORD_0..5 (OF)? DRUG

P3

DRUG MODAL? ADV? DECREASE _syn WORD_0..5 (OF)? DRUG

P4

DRUG MODAL? ADV? ALTER_syn WORD_0..5 (OF)? DRUG

P5

DRUG MODAL? BE ADV? INCREASE_syn WORD_0..5 (BY)? DRUG

P6

DRUG MODAL? BE ADV? DECREASE_syn WORD_0..5 (BY)? DRUG

P7

DRUG MODAL? BE ADV? ALTER_syn WORD_0..5 (BY)? DRUG

P8

COADMINISTRATION OF DRUG (WITH|AND|PLUS) DRUG MODAL? ADV? [INCREASE _syn |DECREASE _syn |INTERACT _syn |ALTER _syn ]

P9

COADMINISTRATION OF DRUG (WITH|AND|PLUS) DRUG MODAL? BE? ADV? RESULT _syn (TO|WITH|IN) [INCREASE _syn |DECREASE _syn |INTERACT _syn |ALTER _syn ]

P10

CAUTION MODAL? ADV? BE? USED WHEN DRUG WORD? (WITH|AND|PLUS) DRUG BE? ADMINISTERED _syn CONCURRENTLY?

P11

PATIENTS TREATED (WITH)? DRUG (WITH|AND|PLUS) DRUG (CONCURRENTLY)? MODAL BE OBSERVED _syn

P12

INTERACTION (OF|BETWEEN) DRUG (AND|WITH|PLUS) DRUG MODAL? (BE)? WORD_0..3 (OBSERVED _syn |INCREASE _syn |DECREASE _syn |ALTER _syn )