Table 6.

Comparison of results in a systematic review (Source: own elaboration).

Author	Number of Sessions	Conclusion
Davatdarova and Kazimov	3–4 times a week.	The use of ozone was effective in the ozone group.
Gloor and Liphardt	Once a day for a week.	Ozone was ineffective for various microorganisms.
Guizhi	3–5 times a week for 2 weeks.	The ozone was effective and efficient.
Jianyun	2 times daily per week.	It reduced the effects of colonization by S. aureus.
Gao	2 times daily for 4 weeks.	Ozonated oil is a safe and effective method to use.
Lina	2 times daily for 4 weeks.	Ozonated oil is effective, equivalent to glucocorticoid ointments.
Hassaniem	1 time daily for 20 days.	Rapid healing of the wound.
Nowicka	2 times daily for 10 days.	Increase in joint mobility and temperature, reduction in thickness.
Jian	1 time daily for 5 days.	Decrease in pain in the acute phase and reduction in the duration of the virus.
Wainstein	4 times a week for 4 weeks.	It is beneficial when ozone is combined with conservative treatment.
Martínez-Sánchez	1 h each day for 20 sessions.	It was considered effective and useful as an alternative treatment.
Campanati	1 time daily for 12 weeks.	It was effective.