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Sources & Evidence

Built on public data sources

Every Health Worth estimate is grounded in peer-reviewed research, federal datasets, and standards-setting bodies. Browse the full bibliography below - grouped by what each source contributes to the model.

Pricing data

Clinical outcomes

  • PubMed (NCBI E-utilities API)

    National Library of Medicine, NIH

    Used for: Recent peer-reviewed citations per procedure, refreshed quarterly and shown as Related Research (titles and links only)

  • HCUP Nationwide Inpatient Sample

    Agency for Healthcare Research and Quality (AHRQ)

    Used for: Complication rates, readmission rates, and inpatient outcomes

  • USPSTF Recommendation Statements

    U.S. Preventive Services Task Force

    Used for: Evidence-graded benefits and harms of preventive care

  • CDC WONDER

    Centers for Disease Control and Prevention

    Used for: Disease incidence, prevalence, and mortality baselines

  • Used for: Pooled effect sizes for treatment vs. delay decisions

  • Global Burden of Disease Study

    Institute for Health Metrics and Evaluation (IHME)

    Used for: Disability-adjusted life year (DALY) and risk-factor estimates

Quality-of-life (QALY) weights

Labor & productivity

Procedure-specific research

Peer-reviewed studies grouped by the screening or procedure they inform - covering long-term outcomes, complications, quality of life, productivity, and cost-effectiveness.

Knee Replacement

30 studies · Chronic

Related research

Foundational, most-cited evidence for this procedure - systematic reviews, meta-analyses, and clinical practice guidelines.

Source: PubMed (NCBI E-utilities, National Library of Medicine, NIH) · Retrieved 2026-08-27. Titles and links only - abstracts are not reproduced here.

Screening Colonoscopy

29 studies · Preventive / Screening

Related research

Foundational, most-cited evidence for this procedure - systematic reviews, meta-analyses, and clinical practice guidelines.

Source: PubMed (NCBI E-utilities, National Library of Medicine, NIH) · Retrieved 2026-08-27. Titles and links only - abstracts are not reproduced here.

Sleep Apnea Treatment

30 studies · Chronic

Related research

Foundational, most-cited evidence for this procedure - systematic reviews, meta-analyses, and clinical practice guidelines.

Source: PubMed (NCBI E-utilities, National Library of Medicine, NIH) · Retrieved 2026-08-27. Titles and links only - abstracts are not reproduced here.

Gallbladder Removal

30 studies · Acute

Related research

Foundational, most-cited evidence for this procedure - systematic reviews, meta-analyses, and clinical practice guidelines.

Source: PubMed (NCBI E-utilities, National Library of Medicine, NIH) · Retrieved 2026-08-27. Titles and links only - abstracts are not reproduced here.

Mammogram

30 studies · Preventive / Screening

Related research

Foundational, most-cited evidence for this procedure - systematic reviews, meta-analyses, and clinical practice guidelines.

Source: PubMed (NCBI E-utilities, National Library of Medicine, NIH) · Retrieved 2026-08-27. Titles and links only - abstracts are not reproduced here.

Hernia Repair

30 studies · Acute

Related research

Foundational, most-cited evidence for this procedure - systematic reviews, meta-analyses, and clinical practice guidelines.

Source: PubMed (NCBI E-utilities, National Library of Medicine, NIH) · Retrieved 2026-08-27. Titles and links only - abstracts are not reproduced here.

Don't see a source you trust?

We add new datasets as standards evolve. If there's a public source you'd like to see reflected in Health Worth, let us know.

Read more about our standards →