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Practice resource

Reading a testing performance report in context

Use a worked report extract and review note to separate what a testing study demonstrates from what remains an assumption.

IAHPM · 12 October 2026 · Version 1.0

Researchers working with ingredients and laboratory instruments

Name the study question

Write the exact product, specimen or input, configuration, intended users, setting and performance question. A report about one sample type or operating condition may not answer the broader question suggested by a short product description.

Illustrative report extract

A hypothetical report evaluates test system B with reagent lot R3 and software 2.1 using 240 archived specimens. The analysis includes 118 reference-positive and 116 reference-negative specimens; six indeterminate test results are reported separately. Results are compared with method C under the study protocol.

This extract is designed to teach reading. The numbers do not describe a real product and are not acceptance criteria.

Read beyond the headline

Ask whether the denominator includes every tested specimen, how indeterminate and missing results are handled, whether estimates include uncertainty and whether performance varies by specimen type, site, user or other relevant subgroup. Recalculate simple totals where the report permits it.

In the example, 118 + 116 + 6 = 240. A percentage reported only for the 234 determinate results must not be described as if all 240 produced determinate results.

Blank review note

Item Review entry
Decision the report will inform
Evaluated configuration
Specimen/input and setting
Comparison and study design
Analysis set and exclusions
Principal results and uncertainty
Indeterminate or missing results
Limits on transfer to intended use
Outstanding evidence question

Connect the result to use

Keep demonstrated technical performance separate from workflow, user behaviour or health outcomes that the study did not assess. If a conclusion extends to a different product configuration or setting, record the additional basis for the extension.

Limits

This resource does not set a clinical decision threshold or determine whether a test is suitable for an individual. Check current official requirements and product-specific evidence for the market and intended use concerned.

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