Differentiating Crohn’s disease from intestinal tuberculosis

Table 3 Comparison of different sites of involvement on colonoscopy between patients with Crohn’s disease and intestinal tuberculosis

Author/ year	Makharia et al[7], 2010		Li et al[17], 2011		Yu et al[8], 2012		Jung et al[20], 2016		Overall
Country	India		China		China		South Korea
Number of patients	CD	ITB	CD	ITB	CD	ITB	CD	ITB	CD	ITB
	53	53	130	122	53	43	158	98
Rectum	62	19	39	16	28	28	40	7	28-62	7-28
Sigmoid colon	66	11	45	23	40	37	53	7	40-66	7-37
Descending colon	60	13	34	25	34	35	44	9	34-60	9-35
Transverse colon	-	-	40	33	36	51	54	28	36-54	28-51
Ascending colon	64	43	46	62	59	63	65	61	46-65	43-63
Caecum	89	92	43	57	48	59	56	48	43-89	48-92
IC valve	-	-	55	75	82	82	-	-	55-82	75-82
Ileum	25	15	66	60	73	88	76	64	25-76	15-88

All figures are percentages. Last column summarizes all the studies. CD: Crohn’s disease; ITB: Intestinal tuberculosis.