Table 4

Univariable and multivariable log binomial regression of factors associated with mortality in victims of interpersonal violence

	Patients, n (%)	Univariable analysis			Multivariable analysis
	Patients, n (%)	Relative Risk	95% CI	P value	Relative Risk	95% CI	P value
Sex
Male	20 036 (80.2)	Reference
Female	4959 (19.8)	0.25	0.17 to 0.38	<0.001	0.29	0.19 to 0.43	<0.001
Age (years)		1.03	1.02 to 1.04	<0.001	1.03	1.02 to 1.03	<0.001
Injury location
Extremities	34 909 (48.7)	Reference			Reference
Head	25 181 (35.1)	3.07	2.20 to 4.27	<0.001	3.14	2.25 to 4.39	<0.001
Torso	11 587 (16.2)	3.91	2.71 to 5.66	<0.001	4.33	2.99 to 6.28	<0.001
Number of injuries
1	13 682 (55)	Reference			Reference
2	8478 (34.1)	1.29	1.04 to 1.61	0.02	1.27	1.02 to 1.58	0.032
3 or more	2726 (11)	2.14	1.64 to 2.79	<0.001	2.01	1.54 to 2.62	<0.001
Mechanism of injury
Other/unknown	10 781 (43.1)	Reference			Reference
Blunt	8.096 (32.4)	0.58	0.45 to 0.76	<0.001	0.57	0.44 to 0.74	<0.001
Penetrating	6131 (24.5)	1.46	1.17 to 1.81	0.001	1.46	1.17 to 1.81	0.001
Alcohol used	4112 (16.5)	0.59	0.43 to 0.82	0.001	0.54	0.39 to 0.75	<0.001