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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: Ann Emerg Med. 2015 Aug 29;67(1):32–39.e3. doi: 10.1016/j.annemergmed.2015.07.495

Figure 1.

Figure 1

CONSORT flow diagram

* One patient lost-to-follow-up received rescue medication in the ED. Therefore, we were able to count this participant as an outcome failure despite being unable to contact her at 48 hours.