TABLE 2

Variations in Hospital-Level Resource Utilization and Anti-Pseudomonas Antibiotic Use

Unadjusted Distribution Across Hospitals, % of Patients ReceivingAdjusted Distribution Across Hospitals,a % of Patients Receiving
Resource (number of hospitals)Median % (IQR)RangeMedian % (IQR)Range
Chest radiograph (44)83.8 (76.3–90.2)60.0–97.984.9 (81.0–88.3)76.4–94.1
Laboratory tests
 CBC (44)82.4 (76.3–88.4)17.0–96.683.3 (78.3–88.8)74.9–98.8
 Respiratory culture (44)81.2 (76.8–86.5)8.3–96.878.6 (72.6–82.8)64.3–92.7
 Blood culture (43)66.7 (50.5–72.2)0–87.263.3 (57.4–69.8)44.1–84.8
 Serum electrolytes (42)62.6 (41.1–75.4)0–93.155.3 (47.8–61.7)31.2–77.4
 Blood gas (44)50.3 (38.3–62.8)9.4–84.752.1 (49.1–57.5)38.6–71.4
 Viral testing (41)23.7 (12.6–35.9)0–88.221.0 (14.2–29.9)4.3–66.1
 CRP (44)14.3 (5.2–36.2)0–78.917.1 (12.3–21.9)6.9–33.0
 ESR (44)3.0 (1.3–5.5)0–13.03.1 (2.7–3.6)2.0–6.1
Antibiotics targeting Pseudomonas on hospital day 0 or 1 (44)67.3 (55.2–82.0)31.2–90.468.9 (66.1–71.9)55.9–79.2
Patients receiving mechanical ventilation during hospitalization (44)50.4 (43.2–59.8)20.7–82.349.4 (45.7–53.6)42.0–69.5
Patients with ICU admission during hospitalization (44)37.6 (20.5–52.8)2.0–91.536.1 (32.3–40.1)18.4–58.0
  • a Adjusted for patient age, sex, race, Hispanic ethnicity, type of insurance (public, private, or other), hospital region (Midwest, Northeast, South, or West), average daily census, and average LOS weight.