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Table 1 Distribution of demographic and potential risk factors for recurrent tuberculosis in a national TB cohort of 8084 cases, Finland 1995–2013

From: Recurrent tuberculosis in Finland 1995–2013: a clinical and epidemiological cohort study

Variable TB recurrence (n = 50) No TB recurrence (n = 8034) All (n = 8084)
Median age, years 51, 5 66 66
Gender female n (%) 11 (22%) 3457 (43%) 3468 (42.9%)
Foreign origin n (%) 9 (18%) 1066 (13.6%)a 1074 (13.6%)b
Pulmonary site of disease n (%) 44 (88%)c 5599 (69.2%) 5605 (69.3%)
Culture positive n (%) 48 (96%)c 6631 (82.5%) 6680 (82.6%)
Prior to year 2007 n (%) 45 (90%)c 5762 (71.7%) 5807 (71.8%)
  1. a Origin known for 7862 cases
  2. b Origin known for 7912 cases
  3. c Data of the first episode