TABLE 2

Hierarchical, Multivariate Linear Regression of Factors Associated With LOS for Pediatric Patients Admitted With bTARTIs

VariableUnadjusted Change in LOS (95% CI)PAdjusted Change in LOS (95% CI)P
Age
 Infant, 30 d–12 mo0.55 (0.18 to 0.94).0040.81 (0.45 to 1.19)<.001
 Early childhood, 1–4 yRefRef
 Late childhood, 5–12 y0.63 (0.32 to 0.89)<.0010.28 (−0.002 to 0.54).052
 Adolescence, 13–17 y1.32 (0.92 to 1.74)<.0010.68 (0.29 to 1.07)<.001
Male−0.20 (−0.49 to 0.06).13−0.18 (−0.44 to 0.07).08
Race
 WhiteRefRef
 Black0.13 (−0.25 to 0.49).490.24 (−0.14 to 0.63).22
 Hispanic−0.01 (−0.34 to 0.36).97−0.04 (−0.36 to 0.45).85
 Other0.39 (−0.05 to 0.77).070.25 (−0.15 to 0.64).26
Public insurance0.61 (0.34 to 0.88)<.0010.50 (0.23 to 0.79).002
Total no. CCCs
 1RefRef
 20.63 (0.13 to 1.08).010.23 (−0.26 to 0.75).37
 31.53 (1.06 to 1.92)<.0010.87 (0.40 to 1.37).004
 4 or more2.52 (2.01 to 2.91)<.0011.59 (1.12 to 2.12)<.001
Disposition: other than home without nursing1.43 (1.17 to 1.76)<.0011.05 (0.73 to 1.36)<.001
Mechanical ventilation during admission
 Chronic ventilator dependency1.84 (1.55 to 2.13)<.0010.62 (0.32 to 0.90)<.001
 Mechanical ventilation only during admission3.14 (2.82 to 3.48)<.0011.80 (1.47 to 2.14)<.001
 No mechanical ventilationRefRef
Principal diagnosis
 Bacterial pneumoniaRefRef
 Bacterial tracheitis−1.09 (−1.35 to −0.83)<.001−0.88 (−1.13 to −0.63)<.001
 Aspiration pneumonia0.67 (0.24 to 1.10)<.0010.86 (0.45 to 1.28)<.001
 Other2.79 (2.26 to 3.40)<.0012.23 (1.69 to 2.81)<.001
Admitted to ICU during hospitalization3.17 (2.93 to 3.41)<.0012.18 (1.90 to 2.45)<.001
Anti-Pseudomonas antibiotic, hospital day 0–10.88 (0.61 to 1.13)<.0010.57 (0.30 to 0.85)<.001
Hospital region
 WestRefRef
 Midwest−0.50 (−1.41 to 0.51).31−1.17 (−2.39 to 0.05).06
 Northeast−0.51 (−1.54 to 0.58).36−1.49 (−2.79 to −0.16).01
 South0.29 (−0.72 to 1.23).550.10 (−0.99 to 1.10).85
Hospital-level empirical anti-Pseudomonas antibiotic, % total admissions1.35 (−0.36 to 2.97).161.56 (−0.76 to 3.82).15
No. cases, unit change per 100−0.04 (−0.14 to 0.05).46−0.04 (−0.16 to 0.07).44
Census, unit change per 1000.12 (−0.34 to 0.56).610.02 (−0.48 to 0.55).93
  • —, not applicable.