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Table 2 Differences between cases and controls for SCOD scores and ADHD related items. Numbers in the table are frequencies and percentages or median 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
Previous ADHD diagnosis10 (4%)4 (1%)p = 0.061
Inattention score (items 1 to 9)4 (1–8)4 (1–7)p = 0.395
Inattention score ≥ 1415 (6%)22 (7%)p = 0.501
Impulsivity/hyperactivity score (items 10 to 18)2 (1–5)3 (0–5)p = 0.859
Impulsivity/hyperactivity score ≥ 1213 (5%)15 (5%)p = 1.000
ADHD suggestive symptoms (positivity to SCOD-G questionnaire)22 (9%)30 (10%)p = 0.661