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Table 1 Characteristics of MIRU-VNTR clusters, included MIRU profile, identified Mycobacterium tuberculosis sub-lineage, patients’ country of origin, residence area in Portugal (including North, Central region, Lisbon and Tagus Valley, South and autonomous islands Madeira and Azores), patients’ risk factors (identified at diagnosis, namely alcohol abuse, drug misuse, residence in shelters or community residence and history of previous tuberculosis treatment)

From: A nationwide study of multidrug-resistant tuberculosis in Portugal 2014–2017 using epidemiological and molecular clustering analyses

Cluster

MIRU-24 loci profile

M.tuberculosis sublineage

n

Country of origin

Residence area in Portugal

Risk factors

Disease site

Previous TB treatment

1

243,244,331,234

424,153,334,332

Haarlem

4

Portugal

North

1 alcohol abuse

3 pulmonary,

1 extra-pulmonary

No

2

244,233,352,644

425,153,353,823

Beijing

3

Guinea-Bissau

2 LVT,

1 Central

No

1 pulmonary,

1 extra-pulmonary,

1 unknown

1 no,

1 yes,

1 unknown

3

244,233,352,644

425,173,343,723

Beijing

3

Portugal

LVT

Injectable drugs use

Pulmonary

No

4

244,233,352,644

425,183,353,823

Beijing

2

Portugal

1 Madeira,

1 Central

No

Pulmonary

No

5

244,213,132,324

114,142,532,822

LAM

10

7 Portugal,

2 Cape Verde,

1 Mozambique

LVT

3 alcohol abuse,

2 injectable drug use,

1 shelter

7 pulmonary,

2 extra-pulmonary,

1 unknown

5 no,

4 yes,

1 unknown

6

244,213,232,324

116,143,532,822

LAM

6

5 Portugal,

1 Cape Verde

5 LVT,

1 Central

3 alcohol abuse,

2 injectable drug use

Pulmonary

4 no,

2 yes

7

244,213,232,424

116,143,532,822

LAM

14

12 Portugal,

2 Angola

9 LVT,

2 Central,

3 North

4 alcohol abuse,

4 injectable drug use

10 pulmonary,

3 extra-pulmonary,

1 unknown

6 no,

7 yes,

1 unknown