HBOT statistics,
2026
The numbers behind hyperbaric oxygen therapy — indications, evidence, and access — updated yearly and free to cite. Journalists and researchers: link to this page.
15
FDA-recognized indications
15+
peer-reviewed studies indexed
16+
conditions documented A–D
96+
clinics across 18 states
Conditions by evidence grade
From our documented conditions library.
Study outcomes indexed
Including mixed and negative results — we don't hide them.
Key figures
14
UHMS-recognized indications
Source: Undersea & Hyperbaric Medical Society
20×
more dissolved plasma O₂ at 2.4 ATA vs. sea level
Source: Henry's law, per HBOT physiology reviews
~1 in 10,000
treatments with a CNS oxygen-toxicity seizure
Source: clinical safety literature
1662
first pressurized "domicilium" chamber (Henshaw)
Source: history of hyperbaric medicine
Cite this page
Free to reference for reporting or research. Suggested citation:
Pacific Hyperbarics. "Hyperbaric Oxygen Therapy Statistics (2026)." https://pacifichyperbarics.com/research/statistics
Figures marked from our library are computed live; curated figures carry their source inline. Educational, not medical advice.