Differentiating Crohn’s disease from intestinal tuberculosis

Table 1 Rates of smear and culture positivity for Mycobacterium tuberculosis in patients with intestinal tuberculosis

Ref.	Area	Number of patients	AFB smear positivity	AFB culture positivity	Type of culture
Patel et al[38], 2004	India	173	29%	19%	Solid
Amarapurkar et al[11], 2008	India	26	23%		Bactec
Ramadass et al[42], 2010	India	24		45.8%	Bactec
Dutta et al[15], 2011	India	24	37.5%	-	-
Ye et al[39], 2012	South Korea	329	17%	44.1%	Both
Lei et al[18], 2013	China	88	10.8%	-	-
Sekine et al[40], 2015	Japan	50	32%	50%	Bactec
Jung et al[20], 2016	South Korea	98	16	17	-
Kumar et al[41], 2017	India	37	2.7%	2.7% (LJ medium)	Both
				8.1% (Gene-Xpert)
Bae et al[22], 2017	South Korea	40	10%	70%	Bactec

AFB: Acid-fast bacillus.