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. Author manuscript; available in PMC: 2017 May 1.
Published in final edited form as: Comput Methods Programs Biomed. 2016 Feb 23;128:52–68. doi: 10.1016/j.cmpb.2016.02.007

Table 5.

Granular time examples. This table illustrates time granularity in the clinical text. The sentences in the left denote some durations and intervals of time, which, when converted to finer granularities (right column), have caused the semantic to change.

1. The patient has tested blood sugar every week. a. The patient has tested blood sugar every 7 days.
2. The x-rays are valid within 19 June 2015. b. The x-rays are valid within 19 June 2015 at midnight.
3. The treatment has to be completed within 1 day. c. The treatment has to be completed within 24 hours.