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Table 1 Characteristics of all 4845 cases notified in the West Midlands (2007–2011) and the study population

From: Mycobacterium tuberculosis transmission in an ethnically-diverse high incidence region in England, 2007–11

  All cases   Cases with genotype data Cases without genotype data
  Number % Number % Number %
Year notified
 2007 938 19.4 524 20.6 414 18
 2008 1015 21 502 19.7 513 22.3
 2009 1009 20.8 536 21.1 473 20.5
 2010 872 18 494 19.4 378 16.4
 2011 1011 20.9 487 19.2 524 22.8
Sex
 Male 2638 54.5 1414 56 1224 53
 Female 2205 45.5 1127 44 1078 47
Age group (years)
 0–14 286 5.9 62 2.4 224 9.7
 15–44 2769 57.2 1617 63.6 1152 50
 45–64 966 19.9 470 18.5 496 21.5
 65 and over 824 17 394 15.5 430 18.7
Region of birth
 UK 1555 34.8 754 31.7 801 38.3
 Europe 101 2.3 57 2.4 44 2.1
 East Mediterranean 45 1 27 1.1 18 0.9
 Africa 700 15.7 417 17.5 283 13.5
 Americas 57 1.3 30 1.3 27 1.3
 South Asia 1912 42.8 1033 43.4 879 42
 East/Southeast Asia 103 2.3 64 2.7 39 1.9
Ethnicity
 White 880 18.8 412 16.8 468 21.1
 Black-Caribbean 173 3.7 96 3.9 77 3.5
 Black-African 711 15.2 406 16.5 305 13.7
 Black-Other 18 0.4 12 0.5 6 0.3
 South Asian 2602 55.6 1364 55.5 1238 55.7
 Chinese 47 1 21 0.9 26 1.2
 Mixed/Other 248 5.3 145 5.9 103 4.6
Years since entry to tuberculosis diagnosis
 0–1 435 16.4 262 17.6 173 14.8
 2–4 573 21.5 357 24 216 18.4
 5–9 606 22.8 349 23.4 257 21.9
 10 and over 1046 39.3 521 35 525 44.8
Disease site
 Pulmonary, with or without extra-pulmonary 2632 55.1 1635 64.6 997 44.4
 Extra-pulmonary only 2141 44.9 895 35.4 1246 55.6
History of or current problem drug use
 No 2181 96.8 1126 96.1 1055 97.6
 Yes 72 3.2 46 3.9 26 2.4
History of or current problem alcohol use
 No 2138 97.3 1100 96.6 1038 98.1
 Yes 59 2.7 39 3.4 20 1.9
History of or current homelessness
 No 2201 98.1 1144 97.0 1057 99.2
 Yes 43 1.9 35 3.0 8 0.8
History of or currently in prison
 No 2084 97.1 1079 96 1005 98.3
 Yes 62 2.9 45 4.0 17 1.7