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Table 1 Characteristics of asylum seekers, TB cases among asylum seekers, TB cases diagnosed based on screening and yield of TB cases diagnosed based on screening, 2015–2016, Finland

From: Tuberculosis screening of asylum seekers in Finland, 2015–2016

 All asylum seekers; n (%),All TB cases among asylum seekers; n (%),TB cases diagnosed based on screening;
n (%)
Yield of TB cases diagnosed based on screening; (%)
  n = 38,134n = 96n = 480.19 (48/25048)
Mena 30,122 (79)71 (74)40 (83) 
Age groupb0–135669 (15)3 (3)1 (2) 
14–173740 (10)13 (13.5)9 (19) 
18–3422,397 (59)65 (68)27 (56) 
35–646024 (16)13 (13.5)11 (23) 
65 or above114 (0.3)2 (2)0 
OrigincIraq21,731 (57)11 (11)6 (12.5)0.028e
Afghanistand5968 (16)17 (18)13 (27)0.22e
Somaliad2413 (6)49 (51)20 (42)0.83e
Syria1479 (4)2 (2)00
Other6493 (17)17 (18)9 (19)NA
Pulmonary TB  71 (74)44 (91.7) 
MDR-TB  8 (8.3)4 (8.3) 
  1. a For 53 (0.1%) asylum seekers, information on sex was missing
  2. b For all asylum seekers, age at the time of immigration; for TB cases age at the time of diagnosis. Of all the asylum seekers, 190 (0,5%) had unknown age
  3. c Origin is based on country of birth, and if not available, on nationality. Of all the asylum seekers, 50 (0,1%) had unknown origin
  4. d Incidence rate > 50/100000 population in 2015–2016
  5. e Aggregated data were used as denominator to calculate the yield by country of origin