TABLE 5

Cost and Resources Utilization

CDC2002, n = 920CDC2010, n = 476P Value
Total cost for all evaluations, $ (1000 LB≥36)253 724 (34 843)132 843 (18 967)<.01
Cost from inadequate GBS, $ (1000 LB≥36)51 329 (7049)386 (55)<.001
Median total cost per patient (IQR), $293 (188–371)292 (164–365).71
Total triage hours for all evaluations (1000 LB≥36)1361 (187)864 (123)<.01
Total triage hours from inadequate GBS (1000 LB≥36)215 (29.5)1.1 (0.2)<.001
Median triage hours per patient (IQR)1.4 (0.4–2.9)1.8 (0.5–3.2)<.01
 No antibiotics0.8 (0.3–2)0.7 (0.3–1.9).06
 Antibiotics1.8 (1.1–3.1)2 (1.3–3.3)<.01
Return visits (% of total evaluated)a75 (8.2)58 (12.2).02
 No antibiotics15 (1.6)2 (0.4).07
 Antibiotics59 (6.4)56 (11.8)<.001
  • IQR from 5% to 95%.

  • a Reasons for repeat visits included IV restart (49 in CDC2002 and 54 in CDC2010), repeat CBC count (17 in CDC2002 and 2 in CDC2010), start of antibiotic therapy due to abnormal I/T ratio or chorioamnionitis diagnosed in mother later by obstetrics (5 in CDC2002 and 2 in CDC2010), and repeat cultures for a false-positive blood culture (4 in CDC2002 group).