Mental Health Book

Sexual Development


Zung Self-Rating Depression Scale

Aka: Zung Self-Rating Depression Scale, Depression Screening with the Zung Scale, Zung Depression Rating Scale
  1. Background
    1. Twenty question survey completed by patient
    2. Likert Scale Format
    3. Asks half of questions positively and half negatively
      1. Negative Example: "I notice that I am losing weight"
      2. Positive Example: "I eat as much as I used to"
    4. Answers scored on 1 to 4 scale
      1. Minimal: None or a little of the time
      2. Severe: Most or all of the time
  2. Questions (each answer scored between 1 to 4)
    1. Depressed mood
    2. Morning symptoms
    3. Crying
    4. Insomnia
    5. Diminished Appetite
    6. Weight loss
    7. Sexual interest
    8. Constipation
    9. Palpitations
    10. Fatigue
    11. Clouded reasoning
    12. Difficulty with completing tasks
    13. Difficult decision making
    14. Restlessness
    15. Lack of hope
    16. Irritability
    17. Diminished self esteem
    18. Life satisfaction
    19. Suicidal Ideation
    20. Anhedonia
  3. Interpretation
    1. Raw score converted to 100 point scale (SDS Index)
      1. SDS Index = (Raw Score / 80 total points) x 100
      2. SDS Index = Raw Score x 1.25
    2. SDS Index Score
      1. Score <50: Normal
      2. Score <60: Mild depression
      3. Score <70: Moderate or Marked Major Depression
      4. Score >70: Severe or Extreme Major Depression
  4. Reference
    1. Zung (1965) Arch Gen Psychiatry 12:63-70 [PubMed]
  5. Resources
    1. University of Massachusetts Psychiatry Scales

Zung self-rating depression scale (C0451593)

Concepts Diagnostic Procedure (T060) , Intellectual Product (T170)
SnomedCT 273940003
English SDS-Zung self-rating depr scal, Zung self-rating depress scale, SDS - Zung self-rating depression scale, Zung self-rating depression scale, Zung self-rating depression scale (assessment scale), Zungs Self Rating Depression Scale
Spanish escala de autovaloración de la depresión, de Zung (escala de evaluación), escala de autovaloración de la depresión, de Zung
Derived from the NIH UMLS (Unified Medical Language System)

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