Differences in clinical features of Crohn's disease and intestinal tuberculosis

Table 1 General information about Crohn’s disease and intestinal tuberculosis n (%)

	Gender		Age (yr)	Duration (mo)	Profession
	Male	Female			Students and workers	Farmers	Others
CD, n = 25	18 (72)	7 (28)	28.57 ± 12.713	29.36 ± 42.423	15 (60)	5 (20)	5 (20)
ITB, n = 40	21 (53)	19 (47)	39.69 ± 13.172	17.07 ± 25.624	10 (25)	15 (38)	15 (38)
P value	0.118		0.248	0.378	0.005	0.137	0.137

Data are expressed as n (%) or the mean ± SD. CD: Crohn’s disease; ITB: Intestinal tuberculosis.

Table 2 Value of indicators with Crohn’s disease and intestinal tuberculosis

	Sensitivity	Specificity	Positive predictive value	Negative predictive value	OR (95%CI)
Students and workers	60%	75%	60%	75%	4.500 (1.538-13.165)
Night sweats	35%	92%	88%	47%	0.161 (0.033-0.787)
Purified protein derivative	93%	84%	90%	88%	0.015 (0.003-0.076)
T-SPOT.TB	95%	100%	100%	93%	0.050 (0.013-0.193)
High-sensitivity C-reactive protein	76%	55%	51%	79%	3.870 (1.276-11.735)
Erythrocyte sedimentation rate	84%	55%	54%	85%	6.417 (1.862-22.117)
Serum albumin	84%	48%	50%	83%	4.750 (1.380-16.353)
Longitudinal ulcer	52%	95%	87%	76%	20.583 (4.057-104.428)
Ring ulcer	40%	96%	94%	50%	0.063 (0.008-0.509)
Ulcer scar	35%	100%	100%	49%	0.650 (0.518-0.816)
Nodular hyperplasia	52%	85%	68%	74%	6.139 (1.905-19.729)
Cobblestone appearance	24%	100%	100%	68%	1.316 (1.056-1.640)
Intestinal diseases	76%	85%	76%	85%	17.944 (5.074-63.464)
Intestinal fistula	36%	95%	82%	70%	10.688 (2.074-55.081)
Target sign	52%	98%	93%	76%	42.250 (4.999-357.089)
Comb sign	48%	98%	92%	75%	36.000 (4.259-304.265)