Table 1. Demographic and clinical characteristics of included patients.

Patient’s number	Gender	Age (years)	Ethnical origin	Mtb risk factors	Main symptoms	TST (mm)	Final diagnosis
1	M	35	Sub-Saharan	0	Fever Abdominal pain	17	TB
2	M	38	North African	0	Diarrhea Abdominal pain	ND	TB
3	M	27	Sub-Saharan	0	Diarrhea Abdominal pain	40	TB
4	M	31	Sub-Saharan	0	Abdominal pain	ND	TB
5	F	42	North African	Travel*	Abdominal pain	10	TB
6	F	14	Sub-Saharan	Travel**	Chest pain Dyspnea Abdominal pain	30	TB
7	M	36	North African	0	Weight loss Abdominal pain	20	TB
8	M	26	North African	Past TB	Weight loss Abdominal pain	ND	Gastric linitis Peritoneal carcinomatosis
9	M	60	Caucasian	0	Abdominal dullness	ND	Child C cirrhosis
10	F	72	Sub-Saharan	0	Weight loss Fever	ND	Myeloma
11	M	77	Caucasian	0	Abdominal pain	ND	Hepatocarcinoma
12	M	42	Caucasian	IV drug user	Abdominal pain	ND	Child C cirrhosis
13	F	70	Caucasian	0	Abdominal pain	ND	Peritoneal carcinomatosis
14	F	67	Caucasian	0	Abdominal pain	ND	Child C cirrhosis
15	M	45	North African	IV drug user	Abdominal dullness	ND	Hepatocarcinoma
16	F	63	Caucasian	0	Abdominal pain	ND	Peritoneal carcinomatosis
17	F	46	North African	0	Abdominal pain	ND	Metastatic breast cancer
18	M	59	Caucasian	0	Abdominal pain	ND	Hepatocarcinoma
19	M	65	Caucasian	HIV-infected	Abdominal dullness	ND	Hepatocarcinoma

M: male; F: female; TST: tuberculin skin test; TB: tuberculosis; IV: intravenous; ND: not done

*Recent travel to Marocco

**Recent arrival in Belgium (<12 months)