Table 2.

Results of literature searches

Retrieved with	“Nissle” or “Mutaflor”	“Symbioflor” or “DSM	“Colinfant” or “E. coli strain
Subject of publication	N = 228a	17252” N = 21	A0 34/86” N = 11b
In vitro studies	49	2	0
Mouse model studies	40	2	0
Rat model studies	11	0	1
Pig model studies	14	0	2
Human studies	30	7	4
Reviews and commentaries	31	3	0
Genome analysis and comparisons	7	3	2
Various	29	3	2
Other or unclear	3	1	0
Publications by Alfred Nissle	14	Not applicable	Not applicable

Publications in Chinese and publications in which EcN was only used as a control were also excluded.

^a The original search retrieved 335 articles, of which 107 were discarded as duplicates or not relevant

^b Two publications in Czech were screened based on the translated abstract only