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Table 4 Comparison of select patient characteristics by case definition, 2004/05-2009/10

From: Children and youth with ‘unspecified injury to the head’: implications for traumatic brain injury research and surveillance

Characteristics Inclusive Case Definition (n = 8,837) n (Col %) Restricted Case Definition (n = 6,500) n (Col%) p-value
Demographic Characteristics    
Age 0–4 Years 2,692 (30.5) 1,723 (26.5) <.0001
Age 5–9 Years 1,426 (16.1) 1,035 (15.9) .7384
Age 10–14 Years 1,703 (19.3) 1,269 (19.5) .7119
Age 15–19 Years 3,016 (34.1) 2,473 (38.0) <.0001
Females 2,936 (33.2) 2,082 (32.0) .1238
Clinical Characteristics    
LOS 1–2 Days 4,925 (55.7) 3,218 (49.5) <.0001
LOS 12+ Days 774 (8.8) 700 (10.8) <.0001
Psychiatric Comorbidity 477 (5.4) 347 (5.3) .8877
Special Care Days 1,638 (18.5) 1,440 (22.2) <.0001
Intention of Injury    
Unintentional 7,955 (91.4) 5,798 (89.2) <.001
Assault 677 (7.8) 558 (8.6) <.05
Mechanism of Injury    
Fall 3,325 (38.2) 2,153 (33.1) <.0001
Motor Vehicle Collision 1,833 (21.1) 1,494 (23.0) <.001
Struck By/Against 1,595 (18.3) 1,184 (18.2) .8080
Other 1,955 (22.5) 1,582 (24.3) <.01
Discharge Destinations    
Home 7,963 (90.1) 5,748 (88.4) <.0001
Non-Home 705 (8.0) 674 (10.4) <.0001
Death 169 (1.9) 78 (1.2) <.001