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Table 1 Example of reason mapping from original unstructured text to a reason category

From: Extracting medication information from unstructured public health data: a demonstration on data from population-based and tertiary-based samples

Original Word

Stems

Reason Classes

arthritis

arthr

arthritis

musculoskeletal

musculoskelet

joint/musculoskeletal problem

gastritis

gastrit

gastrointestinal disease

ulcerative colitis

ulc colit

gastrointestinal disease

asthmatic

asthm

asthma

diarrhea

diarrhe

autonomic symptoms

depression

depress

depression and related disorders

mood

anxy

anxiety disorders

diabetes

diabet

diabetes