TABLE 1.

Description of Patient Population and Subpopulations

All Patients (N = 154)Gram-Positive (N = 117)Gram-Negative (N = 24)Fungus (N = 13)P Value
Birth weight (g)879 ± 225883 ± 226866 ± 250848 ± 196.834
Gestational age (wk)26.4 ± 1.926.5 ± 3.126.8 ± 4.425.7 ± 4.2.217
Age at onset (d)16.7 ± 14.117.0 ± 13.818.0 ± 12.513.0 ± 38.7.568
Apgar score (median)5 (1 min)565.410
Apgar score (median)8 (5 min)888.548
Cesarean section88 (57%)74/116 (64%)10/24 (42%)4/13 (31%).017*
Race (no. of whites)71 (50%)58/109 (53%)8/23 (35%)6/11 (55%).187
Maternal age25.4 ± 5.925.4 ± 5.625.0 ± 5.827.4 ± 8.0.466
Inborn136 (89%)102/115 (89%)23/24 (96%)11/13 (85%).489
Mortality18 (12%)8/117 (7%)4/24 (17%)6/13 (46%)<.001*
Multiple gestation40 (26%)35/116 (30%)4/24 (17%)1/13 (8%).112
Length of stay (d)69.7 ± 29.672.9 ± 28.768.6 ± 31.952.7 ± 34.9.067
IUGR11 (7%)9/113 (8%)1/23 (4%)1/13 (8%).832
Ventilator days31.0 ± 21.832.0 ± 32.630.2 ± 18.230.8 ± 19.4.914
NEC22/154 (14%)16/117 (14%)4/24 (17%)2/13 (15%).923
Prolonged ROM41/154 (27%)26/117 (22%)9/24 (38%)6/13 (46%).076
Chorioamnionitis20/154 (13%)15/117 (13%)4/24 (17%)1/13 (8%).736
Gender (male)75/154 (49%)58/117 (50%)7/24 (29%)10/13 (77%).020*
Pre-eclampsia24/154 (16%)17/117 (15%)4/24 (17%)3/13 (23%).714
  • IUGR indicates intrauterine growth retardation; ROM, rupture of membranes.

  • * A statistically significant difference between the 3 groups.