Dog Bite Injuries: Primary and Secondary Emergency Department Presentations—A Retrospective Cohort Study

Table 2

Secondary presentations.

	𝑁 (%)	𝑁 (%)	𝑃 value
	Primary presentation	Secondary presentation
Mean time until second presentation (days) (SD, range)		3.8 (3.9, 1–21)
Reason for secondary presentation (infection)		47 (100)
Sex (male/female)	229/153	27/20	0.91
Size of dog			0.11
Localisation of injury
Face	40 (10.4)	2 (4.1)	0.15
Hand	148 (38.7)	28 (59.1)	0.006
Upper extremity	50 (13.1)	5 (10.2)	0.56
Lower extremity	120 (31.4)	12 (26.5)	0.48
Buttocks	8 (2.1)	0 (0)	0.31
Genitals	3 (0.8)	0 (0)	0.53
Multiple	13 (3.4)	0 (0)	0.19
Depth of injury			0.18
Location of primary presentation
Emergency department		8 (18.4)
General practitioner		8 (16.3)
Self-treatment		2 (4.1)
No primary presentation		29 (61.2)
Primary antibiotic treatment		31 (65.9)
Blood sample
Median CRP level (unit)	7.1	24.4	0.0001
Median lc count (unit)	3	9.3	0.0001
X-ray	74 (19.3)	19 (38.7)	0.002
Pathological findings	13 (3.4)	3 (6.1)	0.34
Secondary treatment
Change/initiation of antibiotics		22 (46.9)
Operation		15 (30.6)
Continued antibiotics		10 (22.4)
Hospitalisation	14 (3.7)	12 (24.5)	0.0001