A minority of cases (29.9 percent) required oxygen therapy, with supplemental oxygen used the least and the most in T3 and T2, respectively (16.5 and 30.2 percent, respectively).

Source: https://www.gjsentinel.com/lifestyle/health_and_wellness/odds-of-severe-covid-19-disease-lower-for-children-during-omicron-predominance/article_8f500b8b-6005-55af-b91d-e4f2e6f27aa2.html

The worst part is these centres offer a “mild” hyperbaric oxygen therapy, which means anything between 1.2 or 1.5 ATA, and claim it has virtues of the “real” hyperbaric oxygen.

Source: https://indianexpress.com/article/health-wellness/anil-kapoor-tiger-shroff-fitness-routine-hyperbaric-oxygen-therapy-chamber-8582708/