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Table 1 Patient characteristics

From: Emotional well-being in children and adolescents treated with atomoxetine for attention-deficit/hyperactivity disorder: Findings from a patient, parent and physician perspective using items from the pediatric adverse event rating scale (PAERS)

   Age (Years) Age at 1st occurrence of symptoms (Years) Age at 1st ADHD-diagnosis (Years)
  N (%) Mean SD Mean SD Mean SD
All patients 421 (100) 11.1 2.74 4.0 2.03 8.1 2.59
Boys 338 (80.3) 11.0 2.70 4.0 1.94 7.9 2.54
Girls 83 (19.7) 11.6 2.87 4.3 2.35 8.8 2.70
Combined subtype* 278 (66.0) 10.6 2.58 3.7 1.92 7.6 2.42
Predominantly inattentive subtype* 124 (29.5) 12.4 2.59 4.7 1.93 9.2 2.58
Predominantly hyperactive-impulsive subtype* 6 (1.4) 8.6 2.33 4.2 2.01 6.6 2.22
ADHD, not otherwise specified * 13 (3.1) 11.7 3.08 4.8 3.42 9.6 2.30
  1. * According to the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition.
  2. Abbreviations: SD = standard deviation.