Table 4.

LOS analysis (measured in hospital days)

Characteristics	Regression Coefficient	Standard Error	P Value
Age
0–4 (Ref.)
5–9	−0.16	0.75	0.83
10–14	−0.66	0.63	0.30
15–18	−0.40	0.65	0.53
Race
White (Ref.)
Black	−0.10	0.28	0.71
Hispanic	−0.19	0.33	0.57
Other	−0.41	0.29	0.15
Gender
Male (ref).
Female	0.17	0.30	0.58
Firearm Type
Air Gun (Ref.)
Handgun	0.92	0.30	0.002
Other	1.08	0.26	<0.0001
Rifle/Military Firearm	2.75	0.64	<0.0001
Shotgun	2.54	0.34	<0.0001
Payer Source
Medicare/Medicaid (Ref.)
Self-pay + Other	−1.28	0.24	<0.0001
Private	−0.47	0.23	0.05
Median Household Income
Quartile 1 (Ref.)
Quartile 2	0.06	0.21	0.77
Quartile 3	−0.01	0.23	0.97
Quartile 4	0.21	0.33	0.51
Admission Day
Weekday (Ref.)
Weekend	−0.12	0.21	0.58
Severity of Illness by APRDRG
1 (Ref.)
2	1.86	0.10	<0.0001
3	4.99	0.22	<0.0001
4	12.09	0.53	<0.0001
Hospital Bed Size
Small (Ref.)
Medium	1.53	0.55	0.0005
Large	1.37	0.43	0.0013
Hospital Teaching Status
Urban Non-teaching (Ref.)
Rural	−0.40	0.33	0.23
Urban Teaching	0.56	0.23	0.02
Hospital Region
South (Ref.)
Northeast	−0.24	0.38	0.53
Midwest	−0.98	0.32	0.002
West	−0.04	0.34	0.91
Children’s Hospital
No (Ref.)
Yes	2.57	0.91	0.005