Skip to main content
. 2021 Jun 28;23(11):2194–2201. doi: 10.1038/s41436-021-01241-7

Table 2.

Health-care utilization and demographic characteristics, Kids Inpatient Database (KID).

Rare disease % Common condition % P value
n 1,200,587 5,065,496
Age (years) 4.7 3.9 <0.0001
Sex <0.0001
 Female 46.8 52.6
 Male 53.2 47.4
Race <0.0001
 White 47.3 51.6
 Black 19.9 15.4
 Hispanic 20.7 21.3
 Asian or Pacific Islander 5.1 4.9
 Native American 0.8 0.9
 Other 6.1 6.1
Payer 0.0003
 Private 41.1 43.5
 Medicare 0.5 0.4
 Medicaid 51.1 48.7
 Self-pay 3.0 4.3
 No charge 0.1 0.1
Location 0.0001
 Large metro (central) 34.6 32.7
 Large metro (fringe) 24.3 23.4
 Medium metro 20.5 20.7
 Small metro 8.1 8.7
 Micropolitan 7.5 8.6
 Nonmetro, nonmicropolitan 5.0 5.8
Elective <0.0001
 Elective admission 15.1 7.0
 Nonelective admission 84.9 93.0
Discharge disposition <0.0001
 Routine 88.1 96.4
 Transfer to short-term hospital 4.0 1.1
 Transfer to other facility 1.7 0.8
 Home health care 4.7 1.4
 Left against medical advice 0.2 0.2
 Died 1.3 0.1
Mortality (within group) <0.0001
 Neonate (overall) 0.8 0.6
 <1 year 1.7 0.40
 1–4 years 0.9 <0.1
 5–9 years 0.8 <0.1
 10–13 years 0.9 <0.1
 14–16 years 1.2 <0.1
Emergency services <0.0001
 No ED services of record 75.6 82.2
 Record of ED services 24.4 17.8
Transfer in <0.0001
 Not transferred in/newborn 89.6 95.4
 From acute care hospital 9.1 3.8
 From another type of health facility 1.3 0.8
Transfer out <0.0001
 Not a transfer 94.3 98.2
 To acute care hospital 4.0 1.1
 To another type of health facility 1.6 0.8
In-hospital birth <0.0001
 Transferred in from acute/other 58.2 35.5
 Born inside same hospital 41.8 64.5
In-hospital birth <0.0001
 Complicated 94.4 54.6
 Uncomplicated 5.6 45.4
Income quartile by ZIP code ($) <0.0001
1–42,999 30.5 30.6
43,000–53,999 24.9 24.2
54,000–70,999 24.1 24.0
71,000+ 20.6 19.1
Hospital region 0.9618
 Northeast 17.0 16.4
 Midwest 21.6 21.6
 South 38.8 39.2
 West 22.7 22.9
Missing values not displayed

Demographic characteristics, KID, weighted estimate.

ED emergency department.