1. Table of Cochrane Reviews.

	Topical antibiotics with steroids	Topical antibiotics	Systemic antibiotics	Topical antiseptics	Aural toileting (ear cleaning)
Topical antibiotics with steroids	Review CSOM‐4
Topical antibiotics	Review CSOM‐4	Review CSOM‐1
Systemic antibiotics	Review CSOM‐4	Review CSOM‐3	Review CSOM‐2
Topical antiseptics	Review CSOM‐4	Review CSOM‐6	Review CSOM‐6	Review CSOM‐5
Aural toileting	Review CSOM‐4	Not reviewed	Not reviewed	Not reviewed	Review CSOM‐7
Placebo (or no intervention)	Review CSOM‐4	Review CSOM‐1	Review CSOM‐2	Review CSOM‐5	Review CSOM‐7

CSOM‐1: Topical antibiotics for chronic suppurative otitis media (Brennan‐Jones 2018a).

CSOM‐2: Systemic antibiotics for chronic suppurative otitis media (Chong 2018a).

CSOM‐3: Topical versus systemic antibiotics for chronic suppurative otitis media (Chong 2018b).

CSOM‐4: Topical antibiotics with steroids for chronic suppurative otitis media (Brennan‐Jones 2018b).

CSOM‐5: Topical antiseptics for chronic suppurative otitis media (Head 2018a).

CSOM‐6: Antibiotics versus topical antiseptics for chronic suppurative otitis media (Head 2018b).

CSOM‐7: Aural toilet (ear cleaning) for chronic suppurative otitis media (Bhutta 2018).