TABLE 2

Univariate and Multivariable Associations With 30-Day Readmission for Children With Medical Complexity

Univariate ScreenFinal Multivariable Model at AdmissionFinal Multivariable Model at Discharge
Unadjusted OR (95% CI)PAdjusted OR (95% CI)Adjusted OR (95% CI)
Admission characteristics
 Age.10a
  6 mo–<2 yReference
  2–5 y0.74 (0.48–1.15)
  6–12 y0.66 (0.43–1.01)
  13–18 y0.61 (0.40–0.92)
 Race.65
  WhiteReference
  African American1.38 (0.86–2.15)
  Asian American1.25 (0.72–2.07)
  Hispanic1.10 (0.73–1.61)
  Other0.86 (0.26–2.15)
 Boys1.20 (0.89–1.63).24
 Non-English primary language1.30 (0.81–2.01).25
 Public insurance1.23 (0.90–1.65).19a
 Neighborhood per capita income (per $10 000 increase)0.94 (0.81–1.08).38
 Any admissions in previous 6 mo2.06 (1.43–2.91)<.0011.70 (1.15–2.45)1.70 (1.16–2.46)
 Any ED visits in previous 6 mo2.43 (1.59–3.61)<.0012.04 (1.32–3.10)2.04 (1.31–3.11)
 No. home medications at admission.01a
  0–3Reference
  4–71.15 (0.73–1.76)
  ≥81.95 (1.23–2.99)
 No. CCC categories<.001
  1ReferenceReferenceReference
  21.70 (1.17–2.42)1.73 (1.19–2.49)1.56 (1.06–2.26)
  ≥32.38 (1.56–3.56)2.30 (1.50–3.47)1.72 (1.08–2.69)
 Technology assistance1.40 (1.00–1.94).04a
 Medical admission1.82 (1.30–2.57)<.0011.82 (1.30–2.63)1.75 (1.23–2.49)
Hospitalization and discharge characteristics.22
 ICU use0.83 (0.61–1.12)
 Discharge disposition from the hospital<.001
  No servicesReferenceReference
  With services2.21 (1.59–3.06)1.69 (1.17–2.44)
  Other facility1.70 (0.89–3.01)1.15 (0.58–2.13)
 LOS in d<.001
  0–1ReferenceReference
  2–51.22 (0.84–1.81)1.15 (0.78–1.72)
  ≥62.13 (1.41–3.25)1.45 (0.90–2.33)
 Weekday discharge1.41 (0.98–2.08).071.23 (0.84–1.85)
  • OR, odds ratio; —, not applicable.

  • a Passed univariate screen but eliminated from model by backward selection.