Table 4.

Neonatal Diagnostic Tests and Therapeutic Interventions

Elective
Cesarean Section
Trial of
Labor
Routine Vaginal
Delivery
P*
n = 497n = 492n = 989
Diagnostic tests (n, %)
 Arterial blood gas19 (4)24 (5)23 (2)<.04
 X rayc47 (9)49 (10)70 (7)NS
 Complete blood countc108 (22)123 (25)187 (19)<.04
 Blood culturea,c46 (9)84 (18)112 (11)<.0004
 Spinal tapa,c3 (1)18 (4)17 (2)<.0018
 Bilirubin levela,b229 (46)137 (28)238 (24)<.0001
Therapeutic interventions (n, %)
 Intravenous fluidsc33 (7)34 (7)44 (4)<.08
 Antibiotic therapya,c15 (3)40 (8)39 (4).0003
 Oxygen therapyc13 (3)22 (4)21 (2)<.04
 Mechanical ventilation4 (1)5 (1)4 (0.4)NS
 Phototherapya,b20 (4)7 (1)20 (2)<.02
 Admission to level III nurseryc10 (2)17 (3)15 (2)NS
Length of stay (d, mean ± SD)a,b,c4.5 ± 13.7 ± 23.1 ± 1<.0002
  • * Overall difference among the groups.

  • n = number of infants who had test performed at least once.

    a ERCS vs trial of labor, P < .05.

    b ERCS vs vaginal control, P < .05.

    c Trial of labor vs vaginal control, P < .05.