. 2017 Oct 18;152(10):960–966. doi: 10.1001/jamasurg.2017.1720

Table 4. Comparison of Adjusted Mean Hospital LOS by Insurance and State.

Insurance Type	LOS, Mean (95% CI), d^a
Insurance Type	Washington, DC	Maryland	Virginia
Medicaid	2.57 (2.36-2.79)	3.51 (2.81-4.38)^b	3.90 (2.79-5.45)^c
Medicare	2.53 (2.31-2.77)	2.34 (2.03-2.71)^d	2.06 (1.77-2.41)^e
Uninsured	1.98 (1.72-2.27)	2.11 (1.77-2.50)^f	2.30 (1.97-2.70)^g
Medicaid vs uninsured, P value	<.001	<.001	.003

Abbreviation: LOS, length of stay.

^{^a}

P values are adjusted for age, sex, Injury Severity Score, Abbreviated Injury Score for head and pelvis, penetrating injury, and socioeconomic status.

^{^b}

P = .02, compared with Washington, DC.

^{^c}

P = .05, compared with Washington, DC.

^{^d}

P = .008, compared with Washington, DC.

^{^e}

P = .68, compared with Washington, DC.

^{^f}

P = .92, compared with Washington, DC.

^{^g}

P = .09, compared with Washington, DC.