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Daily mean blood oxygen saturation levels before and after each HBOT in five COVID-19 patients.
Note: Data are expressed as mean ± SD. *P < 0.05, vs. pre-first HBOT; #P < 0.05, vs. post-first HBOT; †P < 0.05, vs. pre-HBOT for that day. Figure taken online from freely available document that was identical to data provided to this author by the Chinese authors. HBOT: Hyperbaric oxygen treatments; SO2: oxygen saturation.
