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. 2018 Mar 23;18:118. doi: 10.1186/s12887-018-1087-x

Fig. 1.

Fig. 1

Study Flow Diagram. Infants in the matched case-control analysis included all infants from the Observational Cohort Study with an outcome of death (n = 18) or culture-confirmed bacteremia (n = 10) plus control infants who were randomly selected at a 3:1 ratio after matching on birthweight and age at admission