Outcomes of early versus late irrigation and debridement of pediatric open long bone fractures

Table 1 Showing patient demographics before matching, n (%)

	Irrigation and debridement within 8 hours	Irrigation and debridement after 8 hours	P value
Age (years): Median (Q1, Q3)	14 (10, 16)	15 (12, 16)	0.063
Race
American indian	1 (0.5)	0 (0)	1
Asian	4 (1.9)	1 (0.5)	0.377
Black	27 (13)	40 (21.9)	0.03
Pacific islander	2 (1)	0 (0)	0.501
White	151 (72.9)	121 (66.1)	0.176
Other	19 (9.2)	19 (10.4)	0.819
Sex
Female	64 (30.9)	55 (30.1)	0.941
Male	143 (69.1)	128 (69.9)
Injury severity score	10	9	0.224
Glasgow coma scale	15	15	0.732
Mechanism of Injury
Fall	35 (16.9)	41 (22.4)	0.503
Machinery	1 (0.5)	1 (0.5)
MVT occupant	42 (20.3)	35 (19.1)
MVT motorcyclist	8 (3.9)	7 (3.8)
MVT pedal cyclist	4 (1.9)	5 (2.7)
MVT pedestrian	35 (16.9)	41 (22.4)
MVT other	9 (4.3)	6 (3.3)
Pedal cyclist, other	5 (2.4)	3 (1.6)
Pedestrian, other	4 (1.9)	3 (1.6)
Transport, other	41 (19.8)	20 (10.9)
Natural/ environment, other	0 (0)	1 (0.5)
Overexertion	4 (1.9)	7 (3.8)
Struck by, against	16 (7.7)	11 (6)
Other specified and classifiable	3 (1.4)	2 (1.1)
Antibiotic therapy (hours)	0.3 (0-0.86)	0.2 (0-0.88)	0.278
Comorbidities
Congenital abnormalities	1 (0.5)	3 (1.6)	0.345
Mental health disorder	4 (1.9)	4 (2.2)	1
Substance abuse	2 (1)	1 (0.5)	1
Bleeding	0 (0)	1 (0.5)	0.469
Abbreviated injury score of 3-5
Brain	7 (3.4)	9 (4.9)	0.612
Spine	4 (1.9)	0 (0)	0.126
Chest	12 (5.8)	12 (6.6)	0.92
Abdomen	8 (3.9)	4 (2.2)	0.506
Upper extremity	0 (0)	1 (0.5)	0.469
Lower extremity	193 (93.2)	156 (85.2)	0.016

MVT: Motor vehicle transport.