TABLE 4

Duration of Initial Empirical Antibiotic Treatment and Proportion of Infants Who Received Prolonged Initial Empirical Antibiotic Treatment According to the Outcome of NEC and/or Death

OutcomeP
NoYes
NEC or death, N3099918
    Duration of initial treatment, median (range), d5 (1–36)6 (1–33)<.001
    Prolonged initial treatment, n (%)1577 (51)563 (61)<.001
NEC, N3594440
    Duration of initial treatment, median (range), d5 (1–36)6 (2–33)<.001
    Prolonged initial treatment, n (%)1892 (53)255 (58).04
Death, N3359657
    Duration of initial treatment, median (range), d5 (1–36)6 (1–22)<.001
    Prolonged initial treatment, n (%)1716 (51)412 (64)<.001
  • Data on duration of antibiotic use were missing for 5 infants, data on the death outcome were missing for 18 infants, and data on the composite NEC or death outcome were missing for 17 infants.