. "Type and frequency of adverse events and other events.doi:10.1371/journal.pone.0047395.t002AEs were more common in older babies; 7/205 babies aged one month or older (3.4%) experienced an adverse event, in comparison to 11/1,007 babies (1.1%) less than one month of age (OR = 3.20, p = 0.02)." . . .