Table 2:

Race Specific Metrics.

Characteristics	Black Non Hispanic	Black Hispanic	White Hispanic	White Non Hispanic	Significance
Median Age (IQR)	25 (20, 31)	24 (20, 30)	24 (20, 31)	28 (21, 37)	p=0.002*
Male Gender N, %	2,621 (91.0%)	240 (89.6%)	392 (92.7%)	118 (88.1%)	p=0.318
Multi-victim Shooting N, %	814 (28.2%)	74 (27.6%)	114 (27%)	32 (23.7%)	p=0.672
Most Common Nearest Masked Trauma Center (TC) N, %	TC1 1,447 (50.2%)	TC 1 149 (55.6%)	TC 1 207 (48.9%)	TC 1 54 (40.0%)	p=0.029*
Most Common Nearest Masked BEMS Station (AS) N, %	AS 1 631 (21.9%)	AS 1 61 (22.8%)	AS 1 83 (19.6%)	AS 1 27 (20.0%)	p=0.617
Median Predicted Transport Time to a Trauma Center in Minutes (IQR)	10.1 (6.1, 14.4)	9.2 (5.3, 12.7)	8.5 (5.3, 11.7)	8.3 (5.3, 13.3)	p<0.001*
Median Predicted Transport Distance to a Trauma Center in Kilometers (IQR)	4.1 (2.3, 7.9)	3.5 (2.0, 5.3)	3.3 (1.9, 5.1)	3.3 (1.8, 6.0)	p<0.001*
Median Predicted Time from an Ambulance Station in Minutes (IQR)	4.1 (3.2, 5.0)	4.1 (3.2, 5.1)	4.3 (3.3, 5.3)	4.1 (2.9, 5.4)	p=0.531
Median Predicted Distance from an Ambulance Station in Kilometers (IQR)	1.6 (1.2, 1.9)	1.6 (1.2, 2.0)	1.7 (1.2, 2.0)	1.4 (1.0, 2.1)	p=0.090

^*Denotes significance at the p<0.05 level

IQR; interquartile range.

BEMS: Boston Emergency Medical Services