Mycobacterium avium subspecies paratuberculosis causes Crohn's disease in some inflammatory bowel disease patients

Table 1 Studies supporting mycobacterium avium subspecies paratuberculosis association with Crohn’s disease by Culture n (%)

Study	Crohn’s disease	Control
Bull et al[63]	14 (33)	3 (33)
Chiodini et al[82]	16 (26)	13 (26)
Chiodini et al[59]	3 (100)	NP
Collins et al[64]	15 (19)	3 (6.3)
Gitnick et al[65]	4 (14.8)	1 (1.8)
Kirkwood et al[66]	4 (40)	0 (0)
Markesich et al[61]	12 (50)	1 (7.7)
Mendoza et al[67]	30 (100)	0 (0)
Moss et al[68]	6 (33.3)	1 (16.7)
Naser et al[69]	2 (100)	0 (0)
Naser et al[58]	14 (50)	0 (0)
Schwartz et al[62]	10 (37)	2 (5.6)
Sechi et al[57]	19 (63.3)	3 (10.3)
Singh et al[70]	4 (80)	6 (27.3)
Singh et al[71]	29 (50)	5 (12.5)
Wall et al[72]	6 (20)	0 (0)

NP: Not performed.