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Table 1 Descriptive statistics of the sample (n = 86)

From: Differential diagnosis of dizziness after a sports-related concussion based on descriptors and triggers: an observational study

Variables Mean (SD) Range
Age in years 15.1 (1.6) 12.2–19.6
Number of days between the date of concussion and assessment 8.8 (10.7) Median = 6 1–89
  Frequency Percent
Sex (male) 52 60
History of ADHD 8 9
Previously diagnosed with a concussion 27 31
Number of previously diagnosed concussions   
 1 19 22
 2 8 9
Sport where concussion was sustaineda   
 Football 32 38
 Soccer 12 14
 Baseball/softball 1 1
 Hockey 1 1
 Cheerleading 3 4
 Basketball 14 16
 Lacrosse 1 1
 Volleyball 2 2
 Wrestling 4 5
 Swimming 2 2
 Rugby 1 1
 Other sport activity 12 14
  1. aOne not reported