Glossary

Prevalence rate — percentage — The fraction of tested specimens in which an organism was detected, within a single syndrome and panel. detected / tested.

Tested — count — The number of specimens actually tested for an organism in a given panel — the denominator. Excludes "not tested" (N/A) and invalid results.

Detected — count — The number of tested specimens in which the organism was found — the numerator.

Specimen — entity — A single patient sample. One specimen typically generates many organism-result cells (one per organism on its panel).

Organism-result cell — entity — A single organism's result on a single specimen. PrevIQ stores these as normalized records; they are not the same as specimens.

Specimen count (estimate) — count — An estimate of distinct specimens for a syndrome, computed as the sum of the maximum tested count within each panel. Used so headline numbers reflect specimens, not raw cells.

Syndrome — bucket — A clinical-area grouping of panels — RESPIRATORY, UTI, STI, VAGINOSIS, WOUND, GI, GBS_PRENATAL. See Syndromes & panels.

Panel — entity — A specific test panel (e.g. "UTI with AMR"). Prevalence is computed at the panel level first.

Combo panel — entity — A panel spanning multiple clinical areas (e.g. "Female STI + Vaginosis"). Its organisms are routed to their constituent syndromes.

Vendor (vendor ID) — entity — A laboratory, identified by a short code such as AFC or OBG-YN.

Sample-size tier — A | B | C — A quality grade for a rate based on its tested count: A (n ≥ 100), B (30–99), C (< 30, not reportable). See Sample-size tiers.

Clinically reportable — boolean — true for Tier A and B; false for Tier C. Indicates whether a rate is solid enough to act on.

Confidence interval (95%) — range — The plausible range for the true rate, computed with the Wilson score method. Reported as [lower – upper].

Classification — INCLUDE | WATCH | RARE — The panel-design verdict for an organism. See Panel classifications.

Result status — positive | negative | skip | exclude — How a raw result cell is interpreted. Skip and exclude leave the math entirely. See Result statuses.

Methodology footnote — text — The standard note attached to every report stating that prevalence uses an all-tested-specimens denominator.

Grouping level — vendor | syndrome | cross_vendor — How prevalence rows are rolled up: per lab, pooled within a syndrome, or pooled across all labs.

Ingestion run — event — A single load of a data file, with row counts and QA flags. Visible in ingestion history.

QA flag — label — A data-quality marker on an ingestion run, e.g. UNKNOWN_RESULT or ALL_NA_ROW.

RESP-NET — external dataset — Public CDC respiratory hospitalization surveillance (COVID-NET, FluSurv-NET, RSV-NET), shown as context only — never blended into prevalence. See Geo.