MGMIMass Gathering Medicine

← Library

AI-DRAFTED — PHYSICIAN REVIEW IN PROGRESSThe citation for this entry was checked against Crossref and PubMed, but its summary and interpretation were drafted by an AI model from the published abstract and have not yet been individually read by a physician. Read the linked source before relying on this operationally.
Paper ✓ verified

Association of Heat Index and Patient Presentation Rate at a Stadium[1]

Wolin J, Wolf D, Su J, Quinn E, Eng D, Ali H, Lobel D, Friedman M · 2025 · West J Emerg Med

Summary

Prospective observational study across 73 analyzable baseball games (April-September 2023) at a large northeastern US stadium (mean attendance 40,824): heat index ranged 46-91 F; patients 0-5 per game (mean 1.92); PPR 5.04 per 100,000 attendees. Pearson correlation between heat index and PPR was 0.37 (P<.01) — a moderate positive association. Commonest complaints were lightheadedness and musculoskeletal. Existing on-site resources were never exceeded, but the authors flag the correlation as a planning input under a warming climate. (Authors are the on-site provider group; disclosed.)

So what

The American bounded-venue confirmation of the heat-PPR relationship at the mild end of the exposure curve: even in an enclosed northeastern baseball stadium, heat index moves presentations (r=0.37) — the same signal Locoh-Donou (RR 1.21/10 units) and Westrol (>=90 F threshold) found at other venue classes, now in a prospective single-venue design. Useful precisely because nothing bad happened: it quantifies the pre-surge slope planners can watch before Takeda-style Danger-threshold conditions arrive. Free full text.

Key findings

  • 73 MLB games, prospective: PPR 5.04 per 100,000; heat index 46-91 F
  • Heat index vs PPR correlation r=0.37 (P<.01) - moderate, at mild exposures
  • Lightheadedness + MSK complaints dominate; resources never exceeded
  • Third independent venue class confirming the heat-PPR slope (with Locoh-Donou, Westrol)
  • Provider-group authorship disclosed; free PMC full text

Read the paper