Introduction:

One of the purposes in the research in attention deficit/hyperactivity disorder (ADHD) is identify whether there is a relationship between gender and its diagnosis in ADHD in children.

Objectives:

The objectives were to identify whether there is: (1) A relationship between subtypes in the diagnosis of ADHD according to the diagnostic and statistical manual of mental disorders version IV (DSM-IV) and gender, and (2) a subtype proportion in the diagnosis of ADHD according to gender.

Method:

Retrospective study of 297 clinical records of children diagnosed with ADHD of a Pediatric Service in a public hospital.

Results:

(1) In the diagnosis according to the three subtypes of ADHD (DSM-IV), there is a higher proportion of ADHD of the inattentive type in female and a greater proportion in ADHD of the combined type in male regardless of the number of children according to gender. The results were statistically significant (test Chi-square 3 subtypes: p ≤ 0.001) and also were in the inattentive and combined subtypes of the analyzed author; (2) in the male gender, the diagnosis of ADHD was higher (73.40%) than among females (26.60%). The result was statistically significant as well as those obtained by the author that corresponded to the present study.

Conclusions:

In the diagnosis in ADHD and gender, a significant proportion of more male diagnosed with ADHD and with the combined subtype were obtained compared to the female and their inattentive subtype. The high rate in male gender with the combined subtype because of their behavioral characteristics probably represents a trigger for this higher proportion of children diagnosed with ADHD with respect to the female gender.

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