cliot (version 1.0.0)

aua_symptom_index: American Urological Association Symptom Index (AUA-SI)

Description

Calculates the AUA Symptom Index (also known as the International Prostate Symptom Score, IPSS) for Benign Prostatic Hyperplasia (BPH). The index consists of 7 questions regarding urinary symptoms, each scored from 0 to 5. An optional 8th question assesses Quality of Life (QoL) regarding urinary symptoms.

Usage

aua_symptom_index(incomplete_emptying, frequency, intermittency, urgency,
                  weak_stream, straining, nocturia, quality_of_life = NULL)

Value

A list containing:

AUA_Symptom_Score

Sum of the 7 symptom scores (Range 0-35).

Severity_Category

"Mild" (0-7), "Moderate" (8-19), or "Severe" (20-35).

Quality_of_Life_Description

Text description corresponding to the QoL score.

Arguments

incomplete_emptying

Numeric (0-5). Sensation of not emptying bladder completely after finishing.

frequency

Numeric (0-5). Frequency of urination (less than 2 hours after finishing).

intermittency

Numeric (0-5). Stopping and starting several times when urinating.

urgency

Numeric (0-5). Difficulty postponing urination.

weak_stream

Numeric (0-5). Weak urinary stream.

straining

Numeric (0-5). Need to push or strain to begin urination.

nocturia

Numeric (0-5). Number of times getting up to urinate from the time going to bed until getting up in the morning.

quality_of_life

Numeric (0-6) (Optional). "If you were to spend the rest of your life with your urinary condition just the way it is now, how would you feel about that?" 0=Delighted, 1=Pleased, 2=Mostly Satisfied, 3=Mixed, 4=Mostly Dissatisfied, 5=Unhappy, 6=Terrible.

Details

Scoring Key (Questions 1-6): 0 = Not at all 1 = Less than 1 time in 5 2 = Less than half the time 3 = About half the time 4 = More than half the time 5 = Almost always

References

Barry MJ, Fowler FJ Jr, O'Leary MP, et al. The American Urological Association symptom index for benign prostatic hyperplasia. The Measurement Committee of the American Urological Association. J Urol. 1992;148(5):1549-1557. doi:10.1016/s0022-5347(17)36966-5

Examples

# Example 1: Moderate Symptoms
# Scores: 2, 2, 3, 1, 3, 1, 2 = 14
aua_symptom_index(2, 2, 3, 1, 3, 1, 2, quality_of_life = 3)

# Example 2: Mild Symptoms
# All 1s = 7
aua_symptom_index(1, 1, 1, 1, 1, 1, 1)