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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: J Trauma Acute Care Surg. 2019 Sep;87(3):531–540. doi: 10.1097/TA.0000000000002399

Figure 2.

Figure 2.

Longitudinal trend in mass shootings events per year. 1996–2011: period 1, rate 3.3 events/year. 2012–2015: period 2, rate 7 events/year. 2016–2018: Period 3, rate 12.8 events/year p = 0.005.