cliot (version 1.0.0)

hamilton_anxiety_scale: Hamilton Anxiety Rating Scale (HAM-A)

Description

Calculates the HAM-A score, a 14-item clinician-administered rating scale used to assess the severity of anxiety symptoms. Each item is scored on a scale of 0 (Not present) to 4 (Very severe). The total score (0-56) indicates the overall level of anxiety.

Usage

hamilton_anxiety_scale(anxious_mood, tension, fears, insomnia, intellectual,
                       depressed_mood, somatic_muscular, somatic_sensory,
                       cardiovascular, respiratory, gastrointestinal,
                       genitourinary, autonomic, behavior_at_interview)

Value

A list containing:

HAM_A_Score

The calculated total score (Range 0-56).

Severity_Category

Interpretation (Mild <=17, Mild-Moderate 18-24, Mod-Severe 25-30, Severe >30).

Arguments

anxious_mood

Numeric (0-4). Worries, anticipation of the worst, fearful anticipation, irritability.

tension

Numeric (0-4). Feelings of tension, fatigability, startle response, moved to tears easily, trembling, feelings of restlessness, inability to relax.

fears

Numeric (0-4). Of dark, of strangers, of being left alone, of animals, of traffic, of crowds.

insomnia

Numeric (0-4). Difficulty in falling asleep, broken sleep, unsatisfying sleep and fatigue on waking, dreams, nightmares, night terrors.

intellectual

Numeric (0-4). Difficulty in concentration, poor memory.

depressed_mood

Numeric (0-4). Loss of interest, lack of pleasure in hobbies, depression, early waking, diurnal swing.

somatic_muscular

Numeric (0-4). Pains and aches, twitching, stiffness, myoclonic jerks, grinding of teeth, unsteady voice, increased muscular tone.

somatic_sensory

Numeric (0-4). Tinnitus, blurring of vision, hot and cold flushes, feelings of weakness, picking sensation.

cardiovascular

Numeric (0-4). Tachycardia, palpitations, pain in chest, throbbing of vessels, fainting feelings, missing beat.

respiratory

Numeric (0-4). Pressure or constriction in chest, choking feelings, sighing, dyspnea.

gastrointestinal

Numeric (0-4). Difficulty in swallowing, wind abdominal pain, burning sensations, abdominal fullness, nausea, vomiting, borborygmi, looseness of bowels, loss of weight, constipation.

genitourinary

Numeric (0-4). Frequency of micturition, urgency of micturition, amenorrhea, menorrhagia, development of frigidity, premature ejaculation, loss of libido, impotence.

autonomic

Numeric (0-4). Dry mouth, flushing, pallor, tendency to sweat, giddiness, tension headache, raising of hair.

behavior_at_interview

Numeric (0-4). Fidgeting, restlessness or pacing, tremor of hands, furrowed brow, strained face, sighing or rapid respiration, facial pallor, swallowing, etc.

Details

Scoring Key: 0 = Not present 1 = Mild 2 = Moderate 3 = Severe 4 = Very severe

References

Hamilton M. The assessment of anxiety states by rating. Br J Med Psychol. 1959;32(1):50-55. doi:10.1111/j.2044-8341.1959.tb00467.x

Examples

# Example 1: Severe Anxiety
# All items scored 3 (Severe)
hamilton_anxiety_scale(3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3)

# Example 2: Mild Anxiety
# Most items 0 or 1
hamilton_anxiety_scale(1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0)