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Table 1 Description of cases (patients attending the emergency department for injuries) and controls (patients attending for other causes but injuries). Numbers in the table are frequencies and percentages or medians and interquartile ranges. P-values are the result of two-tailed Fisher exact tests for categorical variables and Mann-Whitney rank-sum tests for continuous variables

From: Emergency department attendance for injury and behaviours suggestive of attention deficit hyperactivity disorder (ADHD): a cross-sectional study

 Cases (251)Controls (294)p-value
SexMales = 164 (65%)Males = 139 (47%)p = 0.000
Age (years)11.4 (8.6–13.8)10.6 (8.1–14.3)p = 0.424
Triage codeWhite, 46 (18%)
Green, 187 (75%)
Yellow, 18 (7%)
White, 97 (33%)
Green, 175 (60%)
Yellow, 22 (7%)
p = 0.000
For cases: type of injury For controls: main diagnosesTrauma, 143 (57%)
Minor wound, 29 (12%)
Major wound, 26 (10%)
Compound fracture, 42 (17%)
Displaced fracture, 11 (4%)
Infection, 176 (60%)
Gastrointestinal excluding infection, 31 (10%)
Dermatologic, 27 (9%)
Neurologic, 24 (8%)
Cardiologic, 14 (5%)
Ortopedics excluding trauma, 11 (4%)
Ginecologic, 8 (3%)
Endocrinologic/hematologic, 3 (1%)