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Table 1 Demographic characteristics of included patients (n = 2303 individuals with 3173 tuberculin skin tests). TST = tuberculin skin test, SD = standard deviation

From: The latent tuberculosis infection cascade of care in Iqaluit, Nunavut, 2012–2016

  All patients (n = 2303) Diagnosed with latent tuberculosis infection (n = 439) Diagnosed with active tuberculosis (n = 17) Not diagnosed with latent or active tuberculosis (n = 1847)
Characteristic
 Age at first TST, mean (SD)
  Males 25.2 (17.1) 25.1 (17.7) 30.6 (18.7) 25.1 (16.9)
  Females 25.4 (15.6) 24.4 (16.5) 29.1 (19.5) 25.6 (15.3)
  Total 25.3 (16.3) 24.8 (17.1) 29.9 (18.5) 25.4 (16.0)
 Age at first TST, n (%)
   < 18 years 784 (34.0) 169 (38.5) 4 (23.5) 611 (33.1)
  18–35 years 919 (39.9) 157 (35.8) 4 (23.5) 758 (41.0)
   > 35 years 600 (26.1) 113 (25.8) 9 (52.9) 478 (25.9)
 Sex, n (%)
  Male 1065 (46.2) 224 (51.0) 9 (52.9) 832 (45.0)
  Female 1238 (53.8) 215 (49.0) 8 (47.1) 1015 (55.0)
 Ethnicity, n (%)
  Inuit 1220 (53.0) 290 (66.1) 16 (94.1) 914 (49.5)
  Non-Inuit 658 (28.6) 90 (20.5) 0 (0) 568 (30.8)
  Unknown 425 (18.5) 59 (13.4) 1 (5.9) 365 (19.8)
 Number of TSTs performed, n (%)
  1 1684 (73.1) 344 (78.4) 16 (94.1) 1324 (71.7)
  2 441 (19.1) 74 (16.9) 1 (5.9) 366 (19.8)
  3 128 (5.6) 17 (3.9) 0 (0) 111 (6.0)
   > 3 50 (2.2) 4 (0.9) 0 (0) 46 (2.5)
 TST Result, n (%)
  Ever positive 456 (19.8) 439 (100) 17 (100) 0 (0)
  Never positive 1847 (80.2) 0 (0) 0 (0) 1847 (100)