TABLE 2.

Characteristics of the study populationa

Parameter (units unless otherwise specified)No. (%) of patientsMean ± SD (range [minimum, maximum])
Duration of hospitalization (days)7553 ± 48 (3, 205)
Duration of ICU stay (days)7519 ± 35 (0, 205)
Time febrile (days)7511 ± 11 (0, 51)
Total surgeries (no.)756 ± 6 (0, 23)
Different antibiotics used (no.)756 ± 4 (1, 17)
Duration of antibiotic use (days)7538 ± 37 (1, 205)
Changes to antibiotic regimen (no.)755 ± 5 (0, 21)
Debridement procedures (no.)754 ± 5 (0, 22)
Injury severity score5821 ± 12 (4, 59)
APACHE II scoreb1715 ± 10 (0, 30)
Hospital locations
    Surgical ICU24 (32)
    Medical ICU26 (35)
    ICU step-down3 (4)
    ONPc11 (15)
    Surgery4 (5)
    Internal medicine4 (5)
    Emergency room3 (4)
  • a Patients in this study were civilians eligible for care (contractors injured in Iraq, family members of active duty soldiers, or retirees) and active duty military personnel hospitalized at the WRAMC.

  • b The APACHE (Acute Physiology and Chronic Health Evaluation) II Score was calculated at the time of admission to ICU (medical and surgical).

  • c ONP, orthopedics/neurology/physical medicine and rehabilitation.