Skip to main content
. Author manuscript; available in PMC: 2017 Nov 14.
Published in final edited form as: Br J Haematol. 2016 May 10;174(4):591–599. doi: 10.1111/bjh.14085

Table III.

Resource utilization rate (days of resource exposure per 1000 hospital days) in patients with and without DS.

Resources measured Rate for DS
(n = 298)
Rate for Non-DS
(n = 10401)
IRR (95% CI) Adjusted IRR
(95% CI)
Complete blood count 753.6 717.8 1.0 (1.0–1.1)* 1.0 (1.0–1.1)
Blood culture 32.8 34.5 1.0 (0.8–1.2) 0.9 (0.7–1.1)
Antibiotics
 Total (of the 5 subclasses) 857.2 813.5 1.1 (1.0–1.1)* 1.0 (1.0–1.1)
 Broad Gram–positive coverage 194.5 170.8 1.1 (1.0–1.2)* 1.1 (1.0–1.2)*
 Beta lactam anti-Pseudomonas coverage§ 424 426.5 1.0 (0.9–1.1) 1.0 (0.9–1.0)
 Carbapenems with anti-Pseudomonas activity 69.3 68.2 1.0 (0.8–1.2) 1.0 (0.9–1.2)
 Quinolones 31.4 19.6 1.6 (1.2–2.1)* 1.5 (1.2–2.0)*
 Aminoglycosides 115.2 116.7 1.0 (0.9–1.1) 1.0 (0.8–1.1)
Antifungals
 Total (of the 3 subclasses) 331.9 276.2 1.2 (1.1–1.3)* 1.2 (1.1–1.3)*
 Amphotericins 43.2 56.1 0.8 (0.6–1.0)* 0.8 (0.6–1.0)*
 Echinocandins 41.6 30.1 1.4 (1.0–1.8)* 1.0 (0.7–1.3)
 Azoles 247.1 190.0 1.3 (1.2–1.5)* 1.3 (1.2–1.5)*
Antivirals 131.8 116.6 1.1 (1.0–1.3) 1.1 (0.9–1.3)
Blood products
 Packed red blood cells 78.8 93.9 0.8 (0.8–0.9)* 0.8 (0.7–0.9)*
 Platelets 94.9 101.5 0.9 (0.8–1.0) 0.9 (0.8–1.0)
 Fresh frozen plasma 9.8 7.3 1.3 (1.0–1.8) 1.3 (0.9–1.7)
 Cryoprecipitate 2.1 2.3 0.9 (0.5–1.8) 1.0 (0.5–1.9)
Analgesics
 Non-opioid 202.2 248.0 0.8 (0.8–0.9)* 0.8 (0.7–0.9)*
 Opioid (all routes)** 213.5 243.0 0.9 (0.8–1.0)* 0.8 (0.8–0.9)*
 Patient-controlled analgesics 14.3 25.3 0.6 (0.4–0.9)* 0.6 (0.4–0.9)*
Anti-emetics 244.3 375.1 0.7 (0.6–0.7)* 0.7 (0.6–0.7)*
Parenteral nutrition 78.9 90.2 0.9 (0.7–1.1) 0.9 (0.7–1.1)
Anti-hypertensives 85.5 96.9 0.9 (0.7–1.1) 0.8 (0.6–1.1)
Diuretics 75.3 66.6 1.1 (1.1–1.3) 1.1 (0.9–1.3)
Vasopressors
 Dopamine 10 7.7 1.3 (0.9–1.9) 1.2 (0.8–1.7)
 Other 20.5 18.5 1.1 (0.9–1.4) 1.1 (0.9–1.4)
Supplemental oxygen 97.6 40.2 2.4 (2.1–2.8)* 1.3 (1.2–1.5)*
Ventilation 43.5 22.5 1.9 (1.5–2.5)* 2.0 (1.5–2.7)*
ECMO 0.7 0.4 1.8 (0.3–12.7) 2.0 (0.2–17.8)
Dialysis 6.2 4.3 1.4 (0.8–2.7) 1.1 (0.6–2.1)
Radiology imaging
 Chest x-ray 137.4 96.8 1.4 (1.3–1.5)* 1.4 (1.2–1.5)*
 Abdominal ultrasound 5 7.4 0.7 (0.5–0.9)* 0.6 (0.5–0.8)*
 Head CT 6.2 7.7 0.8 (0.6–1.0) 0.8 (0.6–1.1)
 Chest CT 6.9 9.8 0.7 (0.6–0.9)* 0.7 (0.5–0.8)*
 Head MRI 3.7 4.4 0.8 (0.6––1.1) 0.8 (0.6–1.0)
Insulin 37.8 14.9 2.5 (1.9–3.2)* 1.3 (1.1–1.5)*

DS, Down syndrome; ECMO, extracorporeal membrane oxygenation; CT, computerized tomography; MRI, magnetic resonance imaging; IRR, incidence rate ratio; 95% CI, 95% confidence interval.

*

P > 0.05.

Adjusted for age, race, insurance status, year of admission and congenital cardiac defects.

Includes vancomycin, linezolid, daptomycin, quinopristin/dalfopristin.

§

Includes ceftazidime, cefepime, piperacillin/tazobactam, ticarcillin/clavulanate.

Includes imipenem and meropenem.

**

Includes norepinephrine, epinephrine and dobutamine.