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     Long Response


    Visualizing Epic Cosmos lung cancer hazard ratios

    Dataset: Epic Cosmos retrospective cohort (adults β‰₯45 y) analyzed for incident lung cancer after recorded SARS‑CoV‑2 infection (severity: ambulatory vs hospitalized). Key epidemiologic estimate extracted below is plotted visually.
    Key epidemiologic evidence (source)
    The Epic Cosmos retrospective cohort included 44,229,908 adults β‰₯45 y alive without prior cancer as of 2022‑01‑01; analysis used Cox proportional hazards models adjusted for age, sex, and smoking. The extract reports a 1.19‑fold higher hazard of lung cancer in persons with prior severe (hospitalized) COVID‑19 compared with uninfected individuals; prior non‑severe (ambulatory) infection was associated with a modestly lower lung cancer incidence in the extract (numeric HR for ambulatory not reported in the provided extract). Note: extract does not include confidence intervals or p‑values; observational design implies potential residual confounding; raw data and full adjusted estimates are pending deposition per the paper's data availability statement.
    Primary citation (epidemiology + mechanistic paper):
    Interpretation & caveats
    • Extracted epidemiologic result: HR = 1.19 for lung cancer after severe (hospitalized) COVID‑19 vs uninfected (source cited above) β€” indicates modestly increased hazard in this observational dataset, not proof of causation.
    • Confidence intervals, p‑values, and full multivariable model outputs were not provided in the extract; absence of these limits precision and certainty of the plotted estimate.
    • Residual confounding (smoking ascertainment, health‑care usage, detection bias) and selection biases are plausible given retrospective EHR analysis; authors themselves list these limitations and call for prospective validation.
    • Mouse mechanistic data in the same paper support biological plausibility (infection‑primed pro‑tumor immune remodeling), but translation from mouse to human risk remains uncertain; combined evidence strengthens hypothesis but does not prove causality in humans.
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    Updated: March 04, 2026

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    Preparing code to ingest Epic Cosmos adjusted hazard ratio table (HR, 95%CI, strata), compute log(HR)/SE, and produce publication-quality forest plots and subgroup meta‑analyses.



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