🩺 Split Renal Function (L/R ROI counts)
L%/R% from left/right kidney ROI counts.
Clinical takeaway
Absolute clearance needs institutional software.
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When to use
Quick split-function arithmetic.
How it works
L%=L/(L+R)×100.
Key points
- Absolute clearance needs institutional software.
References
- Standard split-function from ROI counts
Decision support for licensed clinicians only; not a substitute for clinical judgement, diagnosis or local protocols.
Worked calculation
The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.
| Left kidney counts | 120000 |
|---|---|
| Right kidney counts | 100000 |
→L% / R%54.5 / 45.5%
- |Δ|：9.1 %
- L counts：120000
- R counts：100000
Frequently asked questions
- What is Split Renal Function (L/R ROI counts)?
- L%/R% from left/right kidney ROI counts.
- How is Split Renal Function (L/R ROI counts) calculated? What is the core formula?
- L%=L/(L+R)×100.
- When is Split Renal Function (L/R ROI counts) used?
- Quick split-function arithmetic.
- What are the key clinical points for Split Renal Function (L/R ROI counts)?
- Absolute clearance needs institutional software.
- What are the limits and cautions when using Split Renal Function (L/R ROI counts)?
- For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
- How is Split Renal Function (L/R ROI counts) calculated in practice? Can you show a worked example?
- Inputs: Left kidney counts 120000, Right kidney counts 100000 → Result: L% / R% 54.5 / 45.5 %（|Δ|: 9.1 %, L counts: 120000, R counts: 100000）
💬 Peer discussion
Licensed clinicians only — about this Tool · Renal split
Do not share identifiable patient information (PHI). Discuss principles and workflow only — not a substitute for clinical judgement.
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