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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: J Hosp Infect. 2016 Nov 4;95(1):91–97. doi: 10.1016/j.jhin.2016.10.022

Figure 2.

Figure 2

Study Flowchart. Flowchart detailing the population used to calculate colonization pressure exposures (left) and the at-risk population that was followed for outcome of incident MRSA colonization (right). Of the 3,783 at-risk neonates who were surveilled at least once after the first two days of admission (prevalent period), 91 neonates acquired MRSA colonization during NICU stay. Four colonization cases identified after MRSA infection, as indicated by clinical culture obtained during routine care, were not included as incident cases as colonization was assumed to be acquired through an endogenous process.