Table 1.

Queries used in Medline, Embase, and Scopus databases

Database	Search Terms
Medline	(“fecal incontinence”[ MeSH] OR “fecal incontinence”[tiab] OR “fecal leak”[tiab] OR “faecal incontinence”[tiab] OR “Fecal Incontinences”[tiab]) AND (“tibial nerve”[MeSH Terms] OR “tibial nerve”[tiab] OR “Tibial Nerve”[tiab] OR “Tibial Nerves”[tiab] OR “Posterior Tibial Nerve”[tiab] OR “Posterior Tibial Nerves”[tiab] OR “tibial nerve stimulation”[tiab] OR “percutaneous tibial nerve stimulation”[tiab] OR “electrical nerve stimulation”[tiab] OR “nerve stimulation”[tiab] OR “Transcutaneous posterior tibial nerve stimulation”[tiab] OR “tibial neuromodulation”[tiab])
Embase	1- exp “fecal incontinence”/ or (“fecal incontinence” OR “Fecal leak” OR “faecal incontinence” OR “Fecal Incontinences”) ti, ab 2- exp “tibial nerve”/ or “tibial nerve” OR “Tibial Nerve” OR “Tibial Nerves” OR “Posterior Tibial Nerve” OR “Posterior Tibial Nerves” OR “tibial nerve stimulation” OR “percutaneous tibial nerve stimulation” OR “electrical nerve stimulation” OR “Nerve stimulation” OR “Transcutaneous posterior tibial nerve stimulation” OR “tibial neuromodulation”). ti, ab. 3- 1 & 2
Scopus	((TITLE-ABS-KEY (fecal incontinence) OR TITLE-ABS-KEY (fecal leak) OR TITLE-ABS-KEY (leak, fecal) OR TITLE-ABS-KEY (fecal incontinences) OR TITLE-ABS-KEY (incontinence, fecal))) AND ((TITLE-ABS-KEY (tibial nerve) OR TITLE-ABS-KEY (nerve, tibial) OR TITLE-ABS-KEY (tibial nerves) OR TITLE-ABS-KEY (posterior tibial nerve) OR TITLE-ABS-KEY (posterior tibial nerves) OR TITLE-ABS-KEY (tibial nerve stimulation) OR TITLE-ABS-KEY (percutaneous tibial nerve stimulation) OR TITLE-ABS-KEY (electrical nerve stimulation) OR TITLE-ABS-KEY (nerve stimulation) OR TITLE-ABS-KEY (transcutaneous posterior tibial nerve stimulation) OR TITLE-ABS-KEY (tibial neuromodulation)))