Oswestry Low Back Questionnaire Calculator

ODI Equation:

\[ Score = \frac{\text{Sum of Scores}}{50} \times 100 \]

Score:

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1. What is the Oswestry Low Back Questionnaire?

The Oswestry Disability Index (ODI) is a widely used questionnaire that measures the degree of disability and functional impairment in patients with low back pain. It assesses how back pain affects various aspects of daily living.

2. How Does the Calculator Work?

The calculator uses the ODI equation:

\[ Score = \frac{\text{Sum of Scores}}{50} \times 100 \]

Where:

\( \text{Sum of Scores} \) — Total points from all questionnaire sections (0-50)
\( 50 \) — Maximum possible points
\( 100 \) — Conversion to percentage

Explanation: The equation converts the raw score sum into a percentage that represents the level of disability, with higher percentages indicating greater disability.

3. Importance of ODI Score Calculation

Details: The ODI score is crucial for assessing functional disability in low back pain patients, monitoring treatment progress, and determining the impact of back pain on quality of life.

4. Using the Calculator

Tips: Enter the sum of scores from all 10 sections of the Oswestry questionnaire. Each section is scored 0-5 points, with a maximum total of 50 points.

5. Frequently Asked Questions (FAQ)

Q1: What do the ODI score ranges mean?
A: 0-20% minimal disability, 21-40% moderate disability, 41-60% severe disability, 61-80% crippled, 81-100% bed-bound or exaggerating symptoms.

Q2: How many sections are in the Oswestry questionnaire?
A: There are 10 sections covering pain intensity, personal care, lifting, walking, sitting, standing, sleeping, sex life, social life, and traveling.

Q3: What is considered a clinically significant change?
A: A change of 10-15 percentage points is generally considered clinically significant for detecting meaningful improvement or deterioration.

Q4: Can this calculator be used for research purposes?
A: Yes, the ODI is widely accepted in clinical research for evaluating low back pain interventions and outcomes.

Q5: Are there any limitations to the ODI?
A: The ODI may be less sensitive for patients with very mild or very severe disabilities, and cultural adaptations may be needed for different populations.