Table 3

Children with ADHD grouped according to their therapeutic response to MPH and their RD and MD status

Disability statusNonresponders,* no. (and %)Responders,* no. (and %)
Reading
 Children with RD14 (41)20 (59)
 Children with no RD19 (31)42 (68)
Mathematics
 Children with MD15 (50)15 (50)
 Children without MD18 (28)47 (72)
  • ADHD = attention-deficit hyperactivity disorder; MD = mathematics disability; MPH = methylphenidate; RD = reading disability.

  • * Nonresponders = consensus clinical response (CCR) of 0 or 1; responders = CCR of 2 or 3.

  • Children with RD regardless of mathematics disability status.

  • Children with MD regardless of reading disability status.