Evidence based assessment/Instruments/Young Mania Rating Scale

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The Young Mania Rating Scale (YMRS), developed by Vincent E Ziegler, M.D., and popularized by Robert Young, is an eleven-item multiple choice diagnostic questionnaire which psychiatrists use to measure the severity of manic episodes in children and young adults.[1] The scale was originally developed for use in the evaluation of adult patients with bipolar disorder, but has since been modified for use in pediatric patients. A similar scale was then developed to allow clinicians to interview parents about their children's symptoms, in order to ascertain a better diagnosis of mania in children. This parent version (P-YMRS) can be completed by a parent or a teacher to determine whether a child should receive further evaluation from a psychologist or psychiatrist.[2] Clinical studies have demonstrated the reliability and validity of the parent version of the scale, which has been found to provide “clinically meaningful information about mood disorders in youth." The P-YMRS does succeed in identifying most cases of childhood bipolar disorder, and it has an extremely high false positive rate.[2][3]

Scoring and interpretation[edit]

Each question refers to specific aspects of the child’s behavior and mood the parent has witnessed in the past 24 hours.

  • For questions 1-4, 10, and 11: parents are asked to rate their child's behavior on a scale of 0 (the child did not experience or display the mood or behavior) to 4 (the child experienced or displayed the mood or behavior to a great degree)
  • For questions 5-9: parents are asked to rate their child's behavior on a scale of 0 (the child did not experience or display the mood or behavior) to 8 (the child experienced or displayed the mood or behavior to a great degree)

The scores from each question are added together to form a total score ranging from 0 to 60, with higher scores indicating a greater severity of symptoms. Extremely high scores increase the risk of the child having bipolar disorder by a factor of 9, while extremely low scores decrease the risk by a factor of 10. A score of 13 or higher indicates a potential case of mania or hypomania, while a score of 21 or above indicates a probable case. The average score for children with mania is 25, while the average score for children with hypomania is 20.

External links[edit]

References[edit]

  1. Young RC, Biggs JT, Ziegler VE, Meyer DA (Nov 1978). "A rating scale for mania: reliability, validity and sensitivity"Br J Psychiatry133 (5): 429–35. doi:10.1192/bjp.133.5.429PMID 728692.
  2. 2.0 2.1 Gracious, BL; Youngstrom, EA; Findling, RL; Calabrese, JR (November 2002). "Discriminative validity of a parent version of the Young Mania Rating Scale.". Journal of the American Academy of Child and Adolescent Psychiatry41 (11): 1350–9. doi:10.1097/00004583-200211000-00017PMID 12410078.
  3. Marchand, WR; Clark, SC; Wirth, L; Simon, C (March 2005). "Validity of the parent young mania rating scale in a community mental health setting.". Psychiatry (Edgmont (Pa. : Township))2 (3): 31–35.PMID 21179627.