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TABLE 4

Balancing Measures 1 Year Before and After Initiation of a Diagnostic Stewardship Program in the PICU

Year PreinterventionYear PostinterventionP
Hospital admissions with a PICU visit and mechanical ventilation, n 658 637 — 
In-hospital mortality, n (%) 38 (5.8) 44 (6.9) .40 
APR-DRG severity score 1–4, median (IQR)a 3.0 (2.0–4.0) 3.0 (2.0–4.0) .70 
APR-DRG mortality score 1–4, median (IQR)a 4.0 (3.0–4.0) 4.0 (3.0–4.0) .80 
Hospital length of stay, d, median (IQR) 9 (4–19) 9 (4–22) .81 
7-d hospital readmissions, n (%) 50 (7.6) 45 (7.1) .71 
PICU visits with mechanical ventilation, n 697 735 — 
PICU length of stay, d, median (IQR) 3.8 (1.7–8.7) 3.9 (1.7–9.8) .64 
7-d PICU readmissions, n (%) 29 (4.2) 26 (3.5) .54 
Year PreinterventionYear PostinterventionP
Hospital admissions with a PICU visit and mechanical ventilation, n 658 637 — 
In-hospital mortality, n (%) 38 (5.8) 44 (6.9) .40 
APR-DRG severity score 1–4, median (IQR)a 3.0 (2.0–4.0) 3.0 (2.0–4.0) .70 
APR-DRG mortality score 1–4, median (IQR)a 4.0 (3.0–4.0) 4.0 (3.0–4.0) .80 
Hospital length of stay, d, median (IQR) 9 (4–19) 9 (4–22) .81 
7-d hospital readmissions, n (%) 50 (7.6) 45 (7.1) .71 
PICU visits with mechanical ventilation, n 697 735 — 
PICU length of stay, d, median (IQR) 3.8 (1.7–8.7) 3.9 (1.7–9.8) .64 
7-d PICU readmissions, n (%) 29 (4.2) 26 (3.5) .54 

IQR, interquartile range; —, not applicable.

a

Denominator for admissions with available APR-DRG data are 645 of 658 admissions in the first year and 617 of 637 admissions in the second year.

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